Lightly brown onions in butter. Add beef and brown; drain fat. Add ... on low. Cook macaroni until tender. Drain off water. ... degrees until cheese melts.
Grease a loaf pan, 9 ... Grease foil. Make Macaroni Layers: Cook macaroni, following label ... soft; add ground beef and brown, breaking meat up ... to spoon over loaf.
Preheat oven to 350 degrees. ... skillet, thoroughly brown beef; remove meat and set ... onion, spaghetti sauce, macaroni, 1 cup cheese, mushrooms, ... Serves 4 to 6.