A soft, spreadable cherry jam made with sweet cherries, sugar, and liquid pectin. This recipe is simple enough for first-time canners, so you can enjoy cherry jam all year long.
Prepare a boiling water canner. Wash and sterilize the jars and lids according to standard canning guidelines.
Wash, stem, and pit the cherries. Finely chop them by hand or pulse briefly in a food processor.
Add the chopped cherries, lemon juice (if using), and sugar to a large, wide preserving pan or heavy-bottomed pot. Stir well to combine.
Place the pan over medium heat, stirring frequently until the sugar has completely dissolved and the mixture looks glossy and syrupy.Skim off the foam as it forms.
Increase the heat and bring the mixture to a full rolling boil that cannot be stirred down, stirring constantly.
Stir in the liquid pectin all at once and immediately return the jam to a full rolling boil. Boil vigorously for exactly 1 minute, stirring constantly.
Remove the pan from the heat.If desired, test the set by placing a small spoonful onto a chilled plate. Let it cool for 30 to 60 seconds, then push it gently with your finger. If it wrinkles slightly and holds its shape, it is ready.
Ladle the hot jam into hot sterilized jars, leaving 0.25-inch (6 mm) headspace. Wipe the rims clean, apply the lids, and screw on the bands until fingertip tight.
Process the jars in a boiling water bath for 10 minutes, adjusting for altitude if necessary. Remove the jars and allow them to cool undisturbed for 12 to 24 hours before checking the seals.
Notes
Sweet vs. sour cherries: If using sweet cherries, add the lemon juice as written. If using sour or tart cherries, omit the lemon juice.
Liquid pectin: Using 4.5 fl oz of liquid pectin produces a softer, more spreadable jam than using larger amounts. Add liquid pectin only after the jam has reached a full rolling boil, then boil for exactly 1 minute.
Powdered pectin: Do not add powdered pectin at the end. Instead, whisk it into the chopped cherries before adding the sugar, then follow the manufacturer's directions for the amount to use.
No-pectin method: Omit the pectin entirely. Follow the same method but continue boiling until the jam reaches 220º F (104º C) at sea level. This will take considerably longer. Always use the cold plate test to check for doneness before filling the jars.
Storage: Properly processed and sealed jars can be stored in a cool, dark place for up to 1 year. Refrigerate after opening and use within 3 months.
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