1 lb. hamburger
1 onion, sliced
Salt and pepper to taste
1 can pizza sauce
2 c. curly noodles, cooked
2/3 c. milk
1 lb. Mozzarella, shredded
1 can (4 oz.) mushrooms

Brown hamburger and onions; season with salt and pepper. Mix in pizza sauce. Mix all ingredients together. Put half in baking dish and add 1/2 of cheese. Fill dish with remaining mixture and add remaining cheese. Bake at 350 degrees for 1/2 hour. Serve hot.