Blue Cheese Dressing

1 1/2 cup sour cream
3 tablespoon buttermilk
1 cup mayonnaise
1 dash tabasco sauce
1 tablespoon garlic powder
1/2 tablespoon onion powder
8 ounces crumbled blue cheese

In mixing bowl, combine sour cream, buttermilk, mayonnaise, tabasco sauce, garlic powder and onion powder, blending well. Using a fork to mix in well while retaining chunkiness, add crumbled blue cheese. Dressing should be creamy but chunky. Cover and chill for at least 2-4 hours before serving.