Spaghetti-Pizza Casserole
["1 (16 oz.) pkg. spaghetti", "1 c. milk", "2 eggs", "1 lb. ground beef", "1 medium onion, chopped", "1 medium green pepper, chopped", "1 (32 oz.) jar spaghetti sauce", "1 (4 oz.) can sliced mushrooms, drained", "1 (12 oz. ) pkg. pepperoni", "2 c. (8 oz.) Mozzarella cheese, shredded", "1 c. (4 oz.) Cheddar cheese"]
["Cook spaghetti; drain and place in a lightly greased 9 x 13-inch pan. Combine milk and eggs; stir well. Pour over spaghetti. Cook ground beef, onion and green pepper in a large skillet. Stir until beef crumbles; drain well. Stir in spaghetti sauce and spoon over spaghetti. Layer mushrooms and pepperoni on top. Bake at 350\u00b0 for 20 to 30 minutes. Sprinkle with cheeses; bake 10 minutes more or until cheeses are melted."]
["spaghetti", "milk", "eggs", "ground beef", "onion", "green pepper", "spaghetti sauce", "mushrooms", "pepperoni", "Mozzarella cheese", "Cheddar cheese"]