Quick and easy blueberry pie filling recipe that's made with only 5 ingredients: blueberries, sugar, vanilla, lemon, cornstarch. It can be used as topping or filling in many desserts. For the longest time, I used to be intimidated by making HOMEMADE blueberry pie filling or any fillings, whatsoever. However, after a bit of practice and my mom guiding me along, I really enjoy making pie fillings from scratch now. They taste so much BETTER than canned fillings and you can ADJUST the flavors and