How to Make Homemade Peach or Nectarine Jam - Easily!
Click here for a PDF print version
For more information about stone fruits, see Peach Picking Tips
See this page for blueberry jam, this one for fig jam and for berry jams, see strawberry, blackberry, raspberry jam For easy applesauce or apple butter directions, click on these links. I've got some other pages for specific types of jam and butters, too, see this page
Ingredients and Equipment
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Optional stuff:
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Peach (and/or nectarine) Jam-making Directions
This example shows you how to make jam from peaches (and other stone fruits)! The yield from this recipe is about 10 eight-ounce jars (which is the same as 5 pints). You can make any one, or mix fruit. Some people seem to like plum-pineapple or peach-pineapple combinations, also. (crush the pineapple). Blackberries are a nice combination with peaches, as are strawberries.
Step 1 - Pick the Peaches! (or buy them already picked)
It's fun to go pick your own and you can obviously get better
quality ones! (Damsons are shown in the photo at left)
I prefer to grow my own; which is really easy - but that does take some space and time. As mentioned in the Ingredients section; you may use frozen Peaches (those without syrup or added sugar); which is especially useful if you want to make some jam in December to give away at Christmas!
Step 2 - How much fruit?
Jam 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). It takes about 8 cups of raw, unprepared peaches per batch. For a nice combination jam, I use 4 cups of mushed (slightly crushed) peaches, 1 cup of raspberries and 1 cup of blackberries.
Step 3 - 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 "sterilize" cycle, the water bath processing will sterilize them as well as the contents! If you don't have a dishwasher with a sterilize cycle, you can wash the containers in hot, soapy water and rinse, then sterilize the jars by boiling them 10 minutes, and keep the jars in hot water until they are used.
NOTE: If unsterilized 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 sterilize 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.
Lids: put the lids into a pan of boiling water for at least several minutes; to soften up the gummed surface and clean the lids. I just leave them in there, with the heat on very low, until I need them!


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Step 4 -Wash the fruit and sort!
I'm sure you can figure out how to wash the fruit in a
colander of plain
cold water.
Then you need to pick out and remove any bits of stems, leaves and soft or mushy fruit. It is easiest to do this in a large bowl of water and gently run your hands through the fruit as they float. With your fingers slightly apart, you will easily feel any soft or mushy fruit get caught in your fingers.
Then just drain off the water!
Step 5 - Peeling the Peaches
Peaches and nectarines should be peeled, as their skins can be tough / chewy in jam. Peaches have such thin skins, you really don't need to peel them.
For those you want to peel, here's a great trick that works with many fruits and vegetables
with skins (like tomatoes): just dip the fruit in boiling water for 30 to
60 seconds.
Remove from the water using a slotted spoon and put into a large bowl or pot of cold water and ice.
The skins will easily slide off now IF the peaches are ripe! The more unripe they are, the longer you'll need to heat them.
Step 6 - Cut up the peaches
Then mush them up a bit:
Step 7 - Prevent the fruit from darkening!
Now, to keep the
fruit from turning brown, when you get a bowlful,
sprinkle 1/4 cup lemon juice or Fruit-Fresh (which is just citric acid,
vitamin C, perfectly natural). Then stir the peaches to make sure
all the surfaces have been coated.
Step 8 - Measure out the sweetener
Depending upon which type of jam you're making (sugar, no-sugar, Splenda, mix of sugar and Splenda or fruit juice) you will need to use a different amount of sugar and type of pectin. The precise measurements are found in directions inside each and every box of pectin sold (every brand, Ball, Kerr, Mrs. Wages, etc. has directions inside).
| Type of jam |
Type of pectin to buy |
Sweetener |
| regular | regular | 7 cups of sugar |
| low sugar | low-sugar or no-sugar | 4.5 cups of sugar |
| lower sugar | low-sugar or no-sugar | 2 cups sugar and 2 cups of Splenda |
| no sugar | no-sugar | 4 cups of Splenda |
| natural | no-sugar | 3 cups fruit juice (grape, peach, apple or mixed) |
Step 9 - Mix the dry pectin with about 1/4 cup of sugar or other sweetener
Keep this separate from the rest of the sugar.
Notes about pectin: I usually add about 20% 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.
For more about the types of pectin sold, see this page!

Is your jam too runny? Pectin enables you to turn out
perfectly set jam every time. Made from natural apples, there are also
low-sugar pectins that allow you to reduce the sugar you add by almost
half!
Get it here at BETTER prices!
Step 10 - Mix the Peaches with the pectin and cook to a full boil
Stir the pectin into the
Peaches 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 can not be stirred away).
Step 11 - Add the remaining sugar and bring to a boil
When the berry-pectin mix has reached a full boil, add the rest of the sugar (about 4 cups of sugar per 6 cup batch of
Peaches) and then bring it back to
a boil and boil hard for 1 minute.
Step 12 - 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/s to 1/2 of another package) and bring it to a
boil again for 1 minute.
Step 13 - 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 cann
er!
This is where the jar tongs
and lid lifter come in really
handy!
Step 14 - 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 5 minutes. 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 sterilize 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 7 minutes, and the last jars were probably in for 10. I rarely
have a jar spoil, so it must work.
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!
Step 15 - Remove and cool the jars - Done!
Lift the jars out of the water 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. 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!
Other Equipment:From left to right:
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Summary - Cost of Making Homemade Peach Jam - makes 8 jars, 8 oz each** |
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| Item | Quantity | Cost in 2008 | Source | Subtotal |
| Peaches | 1 gallon | $8.00/gallon | Pick your own | $8.00 |
| Canning jars (8 oz size), includes lids and rings | 10 jars | $7.00/dozen | WalMart, BigLots, Publix, Kroger |
$6.00 |
| Sugar | 5 cups | $2.00 | WalMart, BigLots, Publix, Kroger |
$2.00 |
| Pectin (low sugar, dry) | 1 and a quarter boxes | $2.00 per box | WalMart, BigLots, Publix, Kroger |
$2.70 |
| Total | $18.70 total or about $1.87 per 8 oz jar |
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| * - This assumes you already have the pots, pans, ladles, and reusable equipment. Note that you can reuse the jars, and that reduces the cost! Just buy new lids (the rings are reusable, but the flat lids are not)! | ||||
Answers to Common Questions
- 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 fruit instead of fresh?
Yep! Raspberries can be particularly hard to find fresh and are expensive! Frozen fruit 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! - 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 jellied fruit product?
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. - 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
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