1 (16 oz.) pkg. ziti pasta
1/2 lb. ground beef
1 (32 oz.) jar prepared spaghetti sauce (or homemade)
1 (8 oz.) pkg. Mozzarella cheese
1/2 c. milk

Preheat oven to 350 degrees. Cook pasta according to package instructions. Cook beef in skillet (or cook in glass or plastic dish in microwave oven). Drain well. Stir in sauce, mix well and bring to boil. Remove from heat. Grate cheese. when pasta is done, drain and toss with milk. Ladle thin layer of tomato sauce into 2 quart casserole, then a layer of pasta. Sprinkle with some cheese and pour on more sauce. Add another layer of pasta, then cheese and more sauce. Continue until dish is full. End with layer of sauce.

Bake, covered for 45 minutes. Remove cover and bake for 10 minutes more, until bubbly. Casserole may be made in 2 (1 quart) dishes. It may be frozen for up to 2 months. To defrost in microwave, use lowest setting and keep breaking up pasta and stirring casserole.