Blueberry Refrigerator Jam Prep: 25 min Cook: 25 min Serves: 20 Save Share Ingredients (4) 5 cups fresh blueberries zest of 1 lemon 5 tablespoons freshly squeezed lemon juice 1½ cups granulated white sugar Directions Learn how to make this recipe at Go to Recipe Sharing options Close Share on Pinterest Share on Facebook Share on Twitter