Sour Cherry Freezer Jam Recipe

Ingredients

• 4 cups fresh sour cherries, pitted and lightly crushed
• 4 cups granulated sugar
• 1 package (1.75 oz) no-cook powdered fruit pectin
• 1 tablespoon lemon juice
• 1/4 teaspoon butter or margarine (optional)
• 1 teaspoon pure almond extract (optional)
• zest of 1 lemon or orange (optional)
• a pinch of ground cinnamon or cloves (optional)