1 c. mayonnaise
3 tbsp. lemon juice
1 1/2 tsp. sugar
1 1/2 tsp. dry mustard
1 tsp. salt
4 c. cooked macaroni
3 c. shredded cabbage
1 c. shredded carrots
1/2 c. fine chopped green pepper
3 tbsp. minced onions

Toss together all ingredients, cover and chill several hours. I didn't put cabbage, macaroni and mayo in until last hour.