For delicious made-from-scratch flavor, with 10% more fruit than our original blueberry, add Duncan Hines Comstock More Fruit Blueberry Pie Filling and Topping to your next decadent creation. Fruits picked at their peak are then canned for the perfect flavored pie filling, pie topping or baking enhancement. Simply add it to your pie shell, top your pie or combine it with your own special touches for a homemade-quality dessert that is sure to be a hit. Use it as a delicious pancake or waffle topping for a sweet spin on breakfast that contains no high fructose corn syrup. Stock up on these must-have baking supplies for flavorful pies and baked goods in a snap. Duncan Hines Comstock: easy as pie.