This homemade blueberry sauce recipe can be made in just 2 minutes, and is only 21 calories!This low calorie blueberry sauce is great on pancakes, waffles, cheesecake and more. Plus, with 3 flavors to choose from (Basic Blueberry, Blueberry Lemon, and Vanilla Blueberry) you'll want to add this to your breakfasts and desserts all week long. To make this blueberry sauce for cheesecake, double the recipe to have enough for the entire cheesecake.