Raspberry Jam Preserved
Featured Pinch Tips Video
- 2 c
- seedless raspberry puree (from about 4 to 4 1/2 cups raspberries)
- 2 c
- finely chopped peaches
- 1 Tbsp
- lemon juice
- 1/4 tsp
- fruit fresh or ascorbic acid
- 1 box
- (1.75 ounces) powdered fruit pectin
- 6 c
- granulated sugar
- 1/2 tsp
Prepare the fruit, work area, jars, lids, and canner. See Preparing Jars for Canning and Boiling Water Processing.
Combine the puree and chopped peaches in a large, deep stainless steel or enamel-lined (with no chips) kettle. Stir in the lemon juice, Fruit Fresh, and powdered pectin. Stir to blend and let stand for 10 minutes.
Bring the fruit mixture to a full rolling boil over high heat. Let the mixture boil for 1 minute. Add the sugar all at once, then the butter. Stir to blend and bring back to a full rolling boil. Continue boiling for 1 minute. Remove from heat, skim off foam, and stir for 1 minute.
2. Place berries in a large stainless steel or enamel saucepan. Bring to a full boil over high heat, mashing berries with a potato masher as they heat. Boil hard for 1 minute, stirring constantly.
3. Add warm sugar, return to a boil, and boil until mixture will form a gel (see tips, below), about 5 minutes.
4. Ladle into sterilized jars and process as directed for Shorter Time Processing Procedure .
Tip: To make a small boiling-water canner, tie several screw bands together with string or use a small round cake rack in the bottom of a large covered Dutch oven. Be sure the pan is high enough for 2 inches (5 cm) of water to cover the jars when they are sitting on the rack.
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• To determine when the mixture will form a gel, use the spoon test: Dip a cool metal spoon into the hot fruit. Immediately lift it out and away from the steam and turn it horizontally. At the beginning of the cooking process, the liquid will drip off in light, syrupy drops. Try again a minute or two later — the drops will be heavier. The jam is done when the drops are very thick and two run together before falling off the spoon.
• "The intensity of this jam is due to the fact that it has no added fruit pectin," says Topp. Adding pectin helps the jam jell, but necessitates more sugar, which dilutes the natural flavor of the fruit. Making jam without added pectin requires more careful cooking (see notes about the spoon test, above), but the extra effort pays off in a deliciously old-fashioned, fruity product.