1 lb. sausage (or hamburger)
1 (15 oz.) jar spaghetti sauce
8 oz. ziti noodles (cooked and drained)
1/3 c. grated Parmesan cheese
1 (8 oz.) pkg. shredded Mozzarella cheese

Brown sausage and drain. In a quart casserole dish combine sausage, sauce, noodles, Parmesan cheese and 1/2 of Mozzarella cheese. Mix well. Top with remaining cheese. Bake 25 minutes at 350 degrees.