2 c. Hellmann's real mayonnaise
1/2 c. dairy sour cream
1/4 c. vinegar
4 tsp. sugar
1/2 tsp. dry mustard
1/2 tsp. garlic powder
1/2 tsp. onion powder
4 oz. blue cheese, crumbled

Mix first 7 ingredients; stir in cheese. Cover; refrigerate at least 2 hours. Makes 3 cups. Keeps well in refrigerator 2 to 3 weeks.