If you are looking for a recipe using ricotta cheese, look no further than this easy spaghetti pie casserole! Leftover spaghetti is baked in a pie pan with ricotta cheese, tomato and meat sauce and gooey cheese! This makes the best family dinner for kids because what kid doesn't love spaghetti and meatballs in pie form?! This pie dinner will quickly become a family favorite recipe because of how easy and delicious it is. This will quickly become a mom life recipe and a go-to!