1 (1 lb.) pkg. ziti
1 lb. container Ricotta cheese or 1 lb. cream style cottage cheese
1/4 lb. Mozzarella cheese, diced
1/2 c. grated Parmesan cheese
1 egg
3/4 tsp. salt
1/4 tsp. pepper
6 c. tomato sauce

Cook ziti and drain. Combine Ricotta or cottage cheese, Mozzarella, Parmesan, egg, salt and pepper in a large bowl. Layer ziti, cheese mixture and tomato sauce in 13 x 9 x 2 inch casserole, starting and ending with sauce. Bake at 350 degrees for 40 minutes.