2 c. mayonnaise
2 c. sour cream
2 tbsp. wine vinegar
2 tbsp. lemon juice
1 tbsp. A-1 Steak Sauce
1 tbsp. Worcestershire sauce
1/2 tsp. garlic powder
1/4 c. buttermilk
4-6 oz. blue cheese, crumbled

Blend all ingredients in mixer and add cheese by stirring.