PRINT the recipe: https://www.wyseguide.com/blueberry-jam/ This super fresh blueberry jam is the perfect recipe to use up extra blueberries when they're in season. You're going to love the consistency of this jam made with pectin! INGREDIENTS - 6 1/2 cups fresh blueberries - 4 1/2 cups white granulated sugar - 1 box (1.75 oz) Sure-Jell less sugar pectin (see note) - 1/2 tsp unsalted butter - 1 tsp lemon zest INSTRUCTIONS - Prepare the blueberries. Crush the blueberries with a masher until they a