Beef Macaroni Skillet
["1 lb. ground beef", "1 medium onion, chopped", "3 c. tomato sauce or juice", "1 Tbsp. Worcestershire sauce", "1 Tbsp. vinegar", "1 tsp. salt", "1/8 tsp. pepper", "1 tsp. dry mustard", "1 c. uncooked elbow macaroni"]
["Brown beef and onion in 12-inch skillet.", "Add tomato juice, Worcestershire sauce, vinegar, salt, pepper, mustard and macaroni. Bring to a boil.", "Reduce heat.", "Cover and simmer 20 minutes or until macaroni is tender.", "Stir occasionally during cooking."]
["ground beef", "onion", "tomato sauce", "Worcestershire sauce", "vinegar", "salt", "pepper", "dry mustard", "elbow macaroni"]