1 (9-inch) frozen deep dish pie shell, thawed
1 (6 oz.) can tomato paste
Parmesan cheese
Oregano
8 oz. pkg. shredded Mozzarella cheese
3/4 lb. lean ground beef seasoned with oregano, salt and pepper

Layer the ingredients. Spread tomato paste over the bottom of the crust. Sprinkle with Parmesan cheese. Cover with half package of Mozzarella cheese. Crumble raw ground beef over cheese, season, cover with remaining cheese. Bake at 375 degrees for 30 minutes until crust is brown. Let stand a few minutes before cutting.