Blackberry Jam Easy Steps To Follow Recipe!

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Start with ingrediencies:

4 cups of blackberries, 1 cup of white sugar, 2 tablespoons of cornstarch, 1/4 teaspoon of ground cinnamon, 1/4 teaspoon of ground allspice, 1/2 teaspoon of lemon juice.

Steps 1 and 2:



Step 1 Mash blackberries in a saucepan with a potato masher. Stir in sugar until juices form; place about 1 tablespoon blackberry juice in a small bowl and stir in cornstarch. Pour cornstarch mixture into saucepan.Step 2 Bring berries to a boil, stirring often, until jam is t...