1 lb. box macaroni, elbow
1/2 lb. cooked crab meat
1 tbsp. horseradish
2 tsp. mustard
1/2 c. chopped celery
1/2 c. chopped onion
1 c. mayonnaise or more to liking

Cook macaroni until tender; drain and cool. Mix all ingredients together and refrigerate. Serve cold. Serve on a bed of lettuce and sliced tomatoes.