Low-Sugar Peach Jam Recipe for Vibrant Flavor

To me, a peach picked fresh from the tree is one of nature’s simplest delights. I remember warm summer afternoons in my grandfather’s garden, biting into sun-warmed peaches, peeled, sliced, and dusted with a little sugar. This low-sugar peach jam recipe preserves that bright, fresh flavor so you can enjoy the taste of summer year-round.

This recipe highlights the fruit with just four core ingredients: peaches, sugar, lemon juice, and low-sugar (or no-sugar) pectin. It yields about six half-pint jars and uses roughly 3 1/2 pounds (10–12 medium) peaches per batch.

When selecting peaches, choose fruit that’s ripe but not overripe. Ripe peaches have a fragrant aroma and give slightly when pressed—avoid mushy fruit or obvious brown spots. Yellow clingstone peaches often work best for jam because they’re juicy, sweet, and have a classic peach flavor and color. If peaches are out of season, frozen peaches work fine—thaw them completely before using.

Peeling and preparing the peaches is straightforward but can be time-consuming. To loosen skins, blanch 4–5 peaches at a time: drop them into boiling water for about one minute, then transfer immediately to an ice water bath for 1–2 minutes. The skins will slip off easily. Halve the peaches, remove the pits, and peel. Roughly chop the fruit into 1/2-inch pieces—about 8 cups of chopped peaches will yield roughly 5 cups of mashed fruit.

Use a potato masher to achieve your preferred texture—chunky or smooth. For a very smooth jam, pulse in a food processor or use an immersion blender. If you plan to make more than one batch, do them one at a time; large batches can change the cooking dynamics and affect the set.

A crucial component for low-sugar jam is low-sugar or no-sugar pectin. Purchase pectin labeled for low- or no-sugar use (not regular pectin). Since sugar traditionally helps preserve jam, the correct pectin provides an additional safeguard against molding when sugar is reduced.

Basic equipment you’ll need includes half-pint Mason jars with lids and rings, a large wide pot for cooking, a water bath canner with a rack, jar-lifting tongs, a canning funnel, a ladle, and simple kitchen tools like a colander, potato masher, wooden spoon or heatproof spatula, and a couple of small ceramic plates (chilled) for testing texture.

Wash and inspect 6–7 half-pint jars, checking rims for chips. Clean jars in the dishwasher or by hand with hot soapy water and set them on a clean towel to dry. There’s no need to pre-sterilize jars by boiling; proper water-bath processing will sterilize them. Put two small plates in the refrigerator for the jam test.

For the jam: mash about 5 cups of peaches. In a large pot, combine the mashed peaches, 1/4 cup sugar, the low/no-sugar pectin, and 1/4 cup lemon juice. Bring the mixture to a full, rolling boil over medium-high heat, stirring constantly to prevent burning. Once at a full boil, add the remaining sugar (for a total of 3 1/2 cups for this recipe), return to a full boil, and boil hard for 1 minute while stirring.

To test the set, remove the pot from heat and spoon a small amount onto a chilled plate from the fridge. If it thickens to your liking, the jam is ready. If it’s too loose, boil another minute and test again; if necessary, add an additional 1/4 box of pectin and repeat the boil and test.

After cooking, skim off any foam, let the jam rest about 10 minutes, then stir to evenly distribute fruit chunks so they won’t all float to the top in the jars. Prepare lids by ensuring they’re clean and free of dust.

Use a ladle and canning funnel to fill jars, leaving 1/4 inch headspace. Wipe rims with a clean towel, set lids on jars, and secure rings snugly but not overly tight. Place jars on the rack in the water bath canner with at least 1 inch of water covering the tops of the jars. Process according to altitude: 5 minutes at sea level, 10 minutes above 1,000 feet, and 15 minutes above 6,000 feet.

When processing is complete, remove jars with jar-lifting tongs and place on a clean towel. Let them sit undisturbed for several hours or overnight so lids can seal. A proper seal has a slightly depressed center that doesn’t flex when pressed. To reduce rusting, remove the screw bands after jars are sealed and dry underneath, or at least check and dry under the bands. Properly processed jam will keep about a year in a cool, dark pantry.

Homemade low-sugar peach jam is worth the time and makes a thoughtful gift as well. Enjoy the bright, summery flavor whenever you like!

Disclosures: The author was not compensated for this post. The post may contain affiliate links; purchases made through those links may provide a small commission that helps support recipe publishing.

Photos by Marsha Maxwell and Abramova Elena/Shutterstock.com.