3 c. whole kernel corn, drained
2 c. chopped cucumber
2 tomatoes, chopped
3/4 c. chopped onion
2/3 c. sour cream
1 c. mayonnaise
1/4 c. sugar
1/4 c. vinegar
3/4 tsp. each salt, celery seed, dry mustard

Mix all vegetables together. Mix sour cream, mayonnaise, sugar, vinegar, and spices together and stir into vegetables. Chill at least 2 hours (overnight is better).