In a large saucepan, combine the gelatin and water, and let stand for 1 minute. Cook the gelatin and water over low heat about 5 minutes, stirring until dissolved. Stir in the blueberries, sugar, lemon juice, butter and cinnamon. Bring to a boil, over medium-high heat, and boil for 10 minutes, stirring constantly. Remove from the heat and stir in the vanilla. Spoon in to jar prepared for cooked jam.
Makes: 5 Eight Ounce Jars
Each Tbls contains: Calories: 13 Protein: 0 Grams Fat: 0 Grams Cholesterol: 0 Grams Carbohydrates: 3 Grams Sodium: 1 Milligram
NOTE: This one of the jams that must be frozen rather than processed as for cooked jams in the cookbooks.