6 oz. shell macaroni (about 1 1/2 cup)
1 cup sliced celery
1 c. shredded carrot
1/4 c. chopped onion
1 tsp. sugar
1 tsp. prepared mustard
1 tsp. worcestershire sauce
1/2 tsp. salt
1 can cheddar cheese soup
1/4 c. cooking oil
2 tbsp. vinegar

Cook macaroni, drain and cool. Add celery, carrot and onion. Combine remaining ingredients and pour over macaroni mixture. Chill.