In a skillet, sauté onion, pepper, celery ... skillet, brown ground beef in remaining olive oil over ... lid). Meanwhile, boil macaroni according to package directions. Drain. ... slice or chop vegetables.
Cook beef and onion in skillet until browned; drain well. Stir ... occasionally, 5 to 10 minutes or until thoroughly heated. Stir in cheese. Serves 4 to 6.
Cook ground beef in 10-inch skillet, stirring frequently until brown; drain. Stir in macaroni, sauce mix, water and ... cook until desired consistency.