This month's notes: November 2015: Strawberries and blueberries each have a very brief season; don't miss them: See your state's crop availability calendar for more specific dates of upcoming crops. And see our guide to local fruit and vegetable festivals, such as strawberry festivals and blueberry festivals. Organic farms are identified in green! Also make your own ice cream - see How to make ice cream and ice cream making equipment and manuals. Have fun, eat healthier and better tasting, and save money by picking your own locally grown fruit and vegetables, and then using our easy canning and freezing directions
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How to Make Strawberry Jelly - easily! With step by step photos, recipe ingredients and costssee this recipe for no-pectin strawberry jelly - it's the old-fashioned version that doesn't require pectin (but it does require a heck of a lot more sugar and cooking!)I've got some other pages for specific types of jam and butters, too, see this page
- For more information about strawberries, see Strawberry Picking Tips and Miscellaneous strawberry facts. And see this page for strawberry-rhubarb jam!
- Strawberries - preferably fresh, but frozen (without syrup) works, too. A batch requires 5 to 6 cups of crushed berries, so you'll need about 10 cups of raw whole strawberries.
- Pectin - 1 package (box usually) or if you get it in bulk, 8 Tablespoons, see the directions below for specifics - (it's a natural product, made from apples and available at grocery stores (season - spring through late summer) and local "big box" stores. It usually goes for about $2.00 to $2.50 per box. You'll get best results with no-sugar needed pectin, whether you choose to add sugar or not! See here for more information about how to choose the type of pectin to use.
- Sugar - About 4 cups of dry, granulated (table) sugar. For the no-sugar recipe, click here
- Lemon juice - 1/4 cup per batch; bottled is actually considered more reliable in pH than fresh.
- Jar funnel ($2 at Target, other big box stores, and often grocery stores; and available online - see this page) or order it as part of the kit with the jar grabber.
- At least 1 large pot; I prefer 16 to 20 quart Teflon lined pots for easy cleanup.
- Large spoons and ladles
- 1 Canner (a huge pot to sanitize the jars after filling (about $30 to $35 at mall kitchen stores, sometimes at big box stores and grocery stores.). Note: we sell canners and supplies here, too - at excellent prices - and it helps support this web site!
- Ball jars (Grocery stores, like Publix, Kroger, Safeway carry them, as do some big box stores - about $7 per dozen 8 ounce jars including the lids and rings)
- Lids - thin, flat, round metal lids with a gum binder that seals them against the top of the jar. They may only be used once.
- Rings - metal bands that secure the lids to the jars. They may be reused many times.
- Foley Food Mill ($25) - not necessary; useful if you want to remove seeds (from blackberries) or make applesauce.
- Lid lifter (has a magnet to pick the lids out of the boiling water where you sanitize them. ($2 at big box stores or it comes in the kit at left)
- Jar grabber (to pick up the hot jars)- Big box stores and grocery stores sometimes carry them; and it is available online - see this page. It's a tremendously useful to put jars in the canner and take the hot jars out (without scalding yourself!). The kit sold below has everything you need, and at a pretty good price:
Strawberry Jelly-making Directions
This example shows you how to make either Strawberry Jelly. But you can use this recipe to make many types of jelly; where there is a difference, I will point it out! The yield from this recipe is about 8 eight-ounce jars (which is the same as 4 pints).
Step 1 - Pick the berries! (or buy them already picked)
It's fun to go pick your own and you can obviously get better quality ones! See this page for strawberry facts and picking tips
At right is a picture of a typical strawberry field.
I prefer to grow my own; which is really easy - but that does take some space and time and can be challenging.
As mentioned in the Ingredients section; you may use frozen berries (those without syrup or added sugar); which is especially useful if you want to make some strawberry jelly in December to give away at Christmas!
Above and at left are strawberries and blackberries that I picked at a pick-your-own farm. If you want to pick your own, here is a list and links to the pick your own farms.
How much fruit?
Strawberry jelly can ONLY be made in rather small batches - about 6 cups at a time - like the directions on the pectin say, DO NOT increase the recipes or the jam won't "set" (jell, thicken). (WHY? Alton Brown on the Food Channel says pectin can overcook easily and lose its thickening properties. It is easier and faster to get an even heat distribution in smaller batches. It takes about 8 cups of raw, unprepared berries per batch. For triple berry jam, I use 4 cups of mushed (slightly crushed) strawberries, 1 cup of raspberries and 1 cup of blackberries. For strawberry-only jam; you’ll need 6 cups of mushed strawberries.
Step 2 - Wash the jars and lids
Now's a good time to get the jars ready, so you won't be rushed later. The dishwasher is fine for the jars; especially if it has a "sanitize" cycle, the water bath processing will sanitize them as well as the contents! If you don't have a dishwasher with a sanitize cycle, you can wash the containers in hot, soapy water and rinse, then sanitize the jars by boiling them 10 minutes, and keep the jars in hot water until they are used.
NOTE: If unsanitized jars are used, the product should be processed for 5 more minutes. However, since this additional processing can result in a poor set (runny jam), it’s better to sanitize the jars.
Put the lids into a pan of hot, but not quite boiling water (that's what the manufacturer's recommend) for 5 minutes, and use the magnetic "lid lifter wand" to pull them out. Leave the jars in the dishwasher on "heated dry" until you are ready to use them. Keeping them hot will prevent the jars from breaking when you fill them with the hot jam.
Step 3 -Wash and hull the fruit!
I'm sure you can figure out how to wash the fruit in plain cold water.
With strawberries you must remove the hulls. With other berries, just pick off any stems and leaves.
Step 4 - Crush the fruit in a juicer, food processor or blender
Essentially, you want strawberry juice. Some people want a clear jelly with no seeds. Since strawberry seeds are so small, that will be tough to do without some form of filtration. That's why a juicer works best. You'll need about 6 cups, mushed up.
If you don't have a juicer and still want seedless strawberry jelly, you may need to run the crushed berries through filter, like a screen or later on, through a jelly bag. The Villaware has a selection of screens, including a fine screen that works on strawberries. The Foley stops blackberries seeds, but most raspberry and all strawberry seeds pass through. They cost between $25 to $60.
If you don't have a a juicer, food processor or blender and you must manually filter out the seeds, you're going to have to mush the strawberries manually, as best you can, then heat them in a pot over low heat, until they break down a bit, then run them through a jelly bag (show above/at right) or cheesecloth. Then proceed to step 5.
Step 5 - Measure out the sugar, honey or other sweetener.
You'll need 4 cups of sugar (or about the same of honey). You can make a strawberry jelly with no added sugar if you use the "No-added sugar pectin" but honestly, the resultant jam just isn't as good. It tends to be darker, more runny and less flavorful. But using the no-added sugar pectin with a reduced amount of sugar, about 4 cups instead of the usual 7 cups, works GREAT!
After measuring the sugar, set 1/4 cup aside to mix separately with the pectin in the next step.
If you would rather try to make jam with no added sugar, click here for those directions!
Step 6 - Mix the berries with the pectin and lemon juice and cook to a full boil
Strawberries don't contain much natural pectin, so you need to add a package and a half of the boxed No sugar needed pectin (or low sugar pectin), or the jam will be pretty runny. Mix the dry pectin with about 1/4 cup of sugar and and add this to the crushed berries. Put the rest of the sugar aside.
If you are not using sugar, you'll just have to stir more vigorously to prevent the pectin from clumping. This helps to keep the pectin from clumping up and allows it to mix better!
Stir the pectin and 1/4 cup of lemon juice into the berries and put the mix in a big pot on the stove over medium to high heat (stir often enough to prevent burning). It should take about 5 to 10 minutes to get it to a full boil (the kind that cannot be stirred away).
Why use pectin? You may run into grandmotherly types who sniff "I never used pectin!" at you. Well, sure, and their generation took a horse and buggy to work, died of smallpox and ate canned meat and green beans that tastes like wet newspapers. Old fashioned ways are not always better nor healthier. Pectin, which occurs naturally in fruit, is what makes the jam "set" or thicken (together with sugars and acids in the fruit). The pectin you buy is just natural apple pectin, more concentrated. Using pectin dramatically reduces the cooking time, which helps to preserve the vitamins and flavor of the fruit, and uses much less added sugar. But, hey, if you want to stand there and stir for hours, cooking the flavor away, who am I to stop you! :) Having said that, there are some fruits that have naturally high amounts of pectin (see this page for a list) and they simply don't need much or any padded pectin.
Notes about pectin: I usually add about 50% more pectin (just open another pack and add a little) or else the jam is runnier than I like. With a little practice, you'll find out exactly how much pectin to get the thickness you like.
Another tip: as mentioned above, use the lower sugar or no-sugar pectin. You can add sugar to either and it cuts the amount of sugar you need from 7 cups per batch to 4 cups or less! And it tastes even better! On the other hand; I have never had success with the No-sugar pectin without adding ANY sugar. It always turned out runny and bland. You might want to try using the low sugar or no-sugar recipe with a mixture of sugar and Stevia (or if you prefer, Splenda); sugar and white grape juice, or just white grape juice - that will cut down the sugar, but still preserve the flavor.
Is your jam too runny? Pectin enables you to turn out perfectly set jam every time. Made from natural apples, there are also natural no-sugar pectins that allow you to reduce the sugar you add by half or even eliminate sugar!
Get them all here at the best prices on the internet!
Step 7 - Get the lids warming in hot (but not boiling) water
Lids: put the lids into a pan of hot water for at least several minutes; to soften up the gummed surface and clean the lids.
Need lids, rings and replacement jars?
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Step 8 - Add the remaining sugar and bring to a boil again for 1 minute
When the berry-pectin-lemon juice mix has reached a full boil, add the rest of the sugar (about 4 cups of sugar per 6 cup batch of berries) and then bring it back to a boil and boil hard for 1 minute... If you bring it back to a full boil fairly slowly (on medium heat rather than high) that will help reduce foaming.
Remove from the heat.
Step 9 - Skim any excessive foam
Foam... What is it? Just jam with a lot of air from the boiling. But it tastes more like, well, foam, that jam, so most people remove it. It is harmless, though. Some people add 1 teaspoon of butter or margarine to the mix in step 6 to reduce foaming, but food experts debate whether that may contribute to earlier spoilage, so I usually omit it and skim.
But save the skimmed foam! You can recover jam from it to use fresh! See this page for directions!
Step 10 - Testing for "jell" (thickness)
I keep a metal tablespoon sitting in a glass of ice water, then take a half spoonful of the mix and let it cool to room temperature on the spoon. If it thickens up to the consistency I like, then I know the jam is ready. If not, I mix in a little more pectin (about 1/4 to 1/2 of another package) and bring it to a boil again for 1 minute.
Notes about "set" (thickening or jell): It takes 3 ingredients for jams and jellies to set: pectin, sugar and acidity. The amount of pectin that is naturally occurring in the fruit varies from one type of fruit to another and by ripeness (counter intuitively, unripe contains more pectin). See this page for more about pectin in fruit. It takes the right balance, and sufficient amounts of each of pectin, sugar and acidity to result in a firm jam or jelly. Lastly, it takes a brief period (1 minute) of a hard boil, to provide enough heat to bring the three together. Generally speaking, if your jam doesn't firm up, you were short in pectin, sugar or acidity or didn't get a hard boil. That's ok - you can "remake' the jam; see this page!
Step 11 - Optional: Let stand for 5 minutes and stir completely.
Why? Otherwise, the fruit will often float to the top of the jar. This isn't a particular problem; you can always stir the jars later when you open them; but some people get fussy about everything being "just so", so I've included this step! Skipping this step won't affect the quality of the jam at all. I usually don't bother.
You’ll also notice that the less sugar you use, the more the fruit will float (chemists will tell you it is due to the decreased density of the solution!)
Step 12 - Fill the jars and put the lid and rings on
Fill them to within ¼-inch of the top, wipe any spilled jam off the top, seat the lid and tighten the ring around them. Then put them into the boiling water canner!
This is where the jar tongs come in really handy!
Step 13 - Process the jars in the boiling water bath
Keep the jars covered with at least 2 inches of water. Keep the water boiling. In general, boil them for 10 minutes, which is what SureJell (the makers of the pectin) recommend. I say "in general" because you have to process (boil) them longer at higher altitudes than sea level, or if you use larger jars, or if you did not sanitize the jars and lids right before using them. The directions inside every box of pectin will tell you exactly. The directions on the pectin tend to be pretty conservative. Clemson University says you only need to process them for 5 minutes. I usually hedge my bets and start pulling them out after 5 minutes, and the last jars were probably in for 10. I rarely have a jar spoil, so it must work. But you don't want to process them too long, or the jam will turn dark and get runny. See the chart below for altitude adjustment to processing times, if you are not in the sea level to 1,000ft above sea level range.
Note: Some people don't even boil the jars; they just ladle it hot into hot jars, put the lids and rings on and invert them, but putting the jars in the boiling water bath REALLY helps to reduce spoilage! To me, it makes little sense to put all the working into making the jam and then not to process the jars to be sure they don't spoil!
Recommended process time for jams in a boiling water canner.
|Process Time at Altitudes of|
|Style of Pack||Jar Size||0 - 1,000 ft||1,001 - 6,000 ft||Above 6,000 ft|
Step 14 - Remove and cool the jars - Done!
Lift the jars out of the water with your jar lifter tongs and let them cool without touching or bumping them in a draft-free place (usually takes overnight) You can then remove the rings if you like, but if you leave them on, at least loosen them quite a bit, so they don't rust in place due to trapped moisture. Once the jars are cool, you can check that they are sealed verifying that the lid has been sucked down. Just press in the center, gently, with your finger. If it pops up and down (often making a popping sound), it is not sealed. If you put the jar in the refrigerator right away, you can still use it. Some people replace the lid and reprocess the jar, then that's a bit iffy. If you heat the contents back up, re-jar them (with a new lid) and the full time in the canner, it's usually ok.
Once cooled, they're ready to store. I find they last up to 12 months. But after about 6 to 8 months, they get darker in color and start to get runny. They still are safe to eat, but the flavor and texture aren't as good. So eat them in the first 6 months after you prepare them! Another trick is to keep the uncooked berries or other fruit in the freezer and make and can the jam as needed, so it's always fresh.
Summary - Cost of Making Homemade Strawberry Jelly - makes 8 jars, 8 oz each**
|Item||Quantity||Cost in 2011||Source||Subtotal|
|fresh whole berries (strawberries)||10 cups||$10.00/gallon||Pick your own||$12.00|
|Canning jars (8 oz size), includes lids and rings||8 jars||$7.50/dozen
Lids alone are about $1.25 per dozen
|Grocery stores, like Public, Kroger, Safeway and sometimes, Big Lots, local hardware stores and big box stores||$5.00|
|Sweetener - see step 4||4 cups||$1.75||Grocery stores, like Public, Kroger, Safeway and sometimes, Big Lots, local hardware stores and big box stores||$1.75|
|Pectin (no-sugar or low sugar, dry)||1 and a third boxes *||$1.50 per box||
or about $2.59 per jar
(if you already have the jars, and just need new lids: $1.85 per jar
|* pectin use varies - blackberry
jam needs very little, raspberry a little more, strawberry the most.
** - This assumes you already have the pots, pans, ladles, and reusable equipment. Note that you can reuse the jars! Many products are sold in jars that will take the lids and rings for canning. For example, Classico Spaghetti sauce is in quart sized jars that work with Ball and Kerr lids and rings- some authorities do not recommend these, saying they are more prone to break, and while I have found that is true of mayonnaise jars, I have found the Classico spaghetti jars to be pretty sturdy.
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FAQs - Answers to Common Questions
As my jars are cooling after i take them out of the canner, they sometimes make a popping or hissing noise. Is this normal and safe?
Yes, the lids are designed to flex and that's actually a key selling point. You can tell if a jar hasn't sealed properly (after it has cooled completely) if the lid flexes and makes a popping sound when you press the center of the lid with your finger. The popping sounds while it is cooling is the lid being sucked down by the vacuum that is forming inside the jar - which a normal part of the sealing process. Hissing sounds are usually just escaping steam or hot water evaporating on hot surfaces, also normal!
Why should cooked jelly be made in small batches?
If a larger quantity of juice is used, it will be necessary to boil it longer thus causing loss of flavor, darkening of jelly, and toughening of jelly. It really doesn't work. Trust me; I've tried many times!
Can I use frozen berries instead of fresh?
Yep! Raspberries can be particularly hard to find fresh and are expensive! Frozen berries work just fine, and measure the same. Just be sure to get the loose, frozen whole fruit; not those that have been mushed up or frozen in a sugar syrup!
When I used store-bought strawberries, and didn't crush them much, I got
separation of the fruit from the liquid, and floating fruit in the jars?
The problem is the store bough are much less solid; more airy – partially due to the varieties grown for shipping, partly due to being picked more unripe, and partly due to drying out a bit during shipping. So they are less dense than the sugar solution surrounding them. Add to this that your didn’t crush them as much.. and you get floating! They should taste ok; just stir them up when you open them.
So, if you must use store bought, crush them more and simmer them a few minutes longer (before adding the sugar) and that should at least reduce the floating!
I'd like to make a home canned strawberry topping to use later
on pancakes, ice cream and sundaes. How do I do this?
That's easy! A strawberry topping is just strawberry jam with a loose set or “jell”. You can use the recipe on this page (above) and just use less pectin – about ¾ of a package per batch!
Should jelly be boiled slowly or rapidly?
It should be boiled rapidly since long, slow boiling destroys the pectin in the fruit juice.
What do I do if there's mold on my jam, jelly or preserves?
Discard jams and jellies with mold on them. The mold could be producing a mycotoxin (poisonous substance that can make you sick). USDA and microbiologists recommend against scooping out the mold and using the remaining jam or jelly. See this page from the US Food Safety and Inspection Service for more information. (and this page for a pdf version)
Why did my jellied fruit product ferment, and what do I do?
Jellied fruit products may ferment because of yeast growth. This can occur if the product is improperly processed and sealed, or if the sugar content is low. Fermented fruit products have a disagreeable taste. Discard them.
What happens if my jam or jelly doesn't gel?
Remaking cooked runny jam or jelly instructions can be found on this page
- Could you tell me why my JAM is thicker then the store bought?
The natural pectin content of fresh fruit varies, so it is possible the the variety of fruit that you used has more natural pectin, making it thicker. But there's an easy answer - just add less pectin next time. You'll have to experiment to find how much pectin makes the consistency you like. Most people seem to like their jam thick, so you may to need to only use 3/4 of a pack of pectin per batch.
- Must I use a water bath method to make jam? Can I use my pressure
canner or is it not really necessary?
Yes, you should use a water bath method; it cuts the spoilage rate down to almost zero. There are people who don't, by just inverting the jars, but unless your are absolutely scrupulously clean, you will get spoilage, and there is still a risk of food poisoning, albeit it smaller than with other canned products. Jams only need 5 minutes in the water bath anyway, thanks to the very high sugar content combined with the acidity.
Either water bath or pressure method works. For making strawberry jelly, the water bath is easier and much faster. You needn't buy a water bath canner, if you already have a pressure canner, since you can use your pressure canner as a water bath canner, by simply not sealing it (allowing the vents to remain open, not putting the weight on it).
- What is the best way to de-seed berries for jam? I heard a few different
ways. A food mill, a ricer, and cheese cloth.
For large seeds (blackberries, apples, and larger) I find a Foley Food Mill works best - it's certainly faster and easier than the other methods. Raspberry and smaller seeds are a real pain. They get stuck in (and clog) or pass through a food mill. The Villaware mill has a smaller screen that works great for them! See this page for more information about both strainers. Cheesecloth and jelly strainers are messy, take forever and you lose most of the pulp. For these, I find a metal sieve or colander (with small enough holes) and a spatula to help mush them and push the pulp through, is best. Also, heating the mushed up berries almost to boiling really helps to separate the seeds and pulp.
- Do you have a recipe for strawberry-rhubarb jam using honey for
sweetener and using pectin as a thickener?
I haven't tried it, but it ought to be possible, as the primary sugars in honey are fructose and glucose. With a no-sugar pectin, it should work well, using the usual honey–to-sugar substitution ratios that you use elsewhere. I’d estimate, that with a no-sugar pectin, you could use 2 cups of honey per batch (of 6 cups of mashed fruit) and get a pretty good result. If anyone makes jam with honey and has any tips, write me, and I'll share them here.
- Click here to see our complete list of frequently asked questions on this page!
Comments and Feedback
- Comments from a visitor on June 11, 2011: "I just finished my first time alone making strawberry jelly. I followed your recipe and instructions. My jam turned out great. Thanks for the yummy recipe and the detailed instructions and information. They are what made my jam a success PS I bought berries from 2 different farms (only because the first one didn't have as much available as I wanted) There was a noticeable difference between the 2. One had slightly larger berries and a larger quart. Thanks again. Next month I'm going to try peaches. "
- Comments from a visitor on May 14, 2011: "I used your instructions to make strawberry jam for the very first time and it turned out soooo awesome! I hate to brag on myself, but....... it really was easy and the jam is a huge hit with my family and friends. I even have people asking me to make some for them! Everyone is looking forward to winter now so we can make warm homemade bread and open our own homemade jam when the snow is a foot deep and the fire is crackling. Myself I enjoy it right now on toast anyway thanks for the easy instructions and i will be using your website for future adventures."
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