Stir butter into hot cooked spaghetti. Add parmesan cheese and beaten eggs. Put into a greased 10 inch pie plate.Cook ground beef, onion, and green pepper till vegetables are tender and meat is browned.
Drain off fat. Stir in undrained tomatoes, tomato paste, garlic salt, sugar and oregano. Simmer 5 minutes. Spread ricotta cheese over spaghetti crust. Spread meat and tomato mixture over top of ricotta cheese.
Cover with foil and chill 2 to 4 hours. bake at 350° F 55-60 minutes. Uncover, then sprinkle with mozzerlla cheese. Return to oven for about 5 minutes.
Servings: