Yes, you can freeze spaghetti pie. The trick to freezing spaghetti pie is to freeze it before filling it. It's recommended that you freeze the filling before freezing the entire pie. Spaghetti pie is a dish that combines the flavors of spaghetti and pie. The ingredients for spaghetti pie vary but typically include spaghetti, cheese, eggs, and bread crumbs. The dish can be served as a main course or side dish. But can also be served as a side dish.  The spaghetti is usually cooked in a tomato-based sauce, and the cheese is either melted into the sauce or used as a topping.