Brown hamburger and onion; drain. ... Mix 1 package cheese into mixture. Add drained macaroni, hamburger and onions. Mix ... top. Cover and bake at 350 degrees for 30-40 minutes.
Cook macaroni as directed on the package; drain. Brown ground beef; drain fat. Combine all ... casserole. Cover and bake at 350 degrees for 30 ... minutes. Temperature: 350 degrees.