Saute onion, green pepper (or ... oil. Add ground beef and brown. Drain off excess ... of a large casserole with 1/2 of meat mixture, ... and then a layer of cheese. Repeat layers. Bake, ... minutes or until bubbly.
Cook macaroni according to directions, drain well. Brown beef in skillet, adding onion, salt ... 1 1/2 quart casserole. Alternate layers of macaroni, hamburger, tomato sauce ... minutes at 350 degrees.