1 (16 oz.) pkg. ziti
1 lb. ground beef
1 (15 oz.) ricotta
1/2 c. Parmesan cheese
1/2 c. parsley
1 egg, slightly beaten
3/4 tsp. salt
1/4 tsp. pepper
8 oz. Mozzarella cheese
2 (15 oz.) jars spaghetti sauce

Cook ziti, brown beef and drain. Add ricotta, Parmesan, parsley, egg, salt, pepper and half of spaghetti sauce. Add ziti. Spoon mixture in 9x13 inch pan. Pour remaining sauce over top. Sprinkle Mozzarella on top. Bake at 350 degrees for 20-30 minutes.