Use the best quality Blue Cheese you can find.
Makes: 3 cups

1 cup mayonnaise
1/2 cup sour cream
1 cup blue cheese crumbles
1/2 cup buttermilk
1 teaspoon lemon juice
1 teaspoon white wine worcestershire sauce
1/2 teaspoon granulated onion
1/2 teaspoon granulated garlic
1 1/2 teaspoon prepared horseradish
1/4 teaspoon ground black pepper

Combine all ingredients in a mixing bowl. Chill before serving.