Blue Cheese Dressing

Ingredients
3/4 cup sour cream
1/2 tsp dry mustard
1/2 tsp black pepper
1/2 tsp salt, scant
1/3 tsp garlic powder, scant
1 tbsp worcestershire sauce
1 1/3 cups mayonnaise
4 oz danish bleu cheese

Directions
Blend all ingredients, except mayonnaise and blue cheese at low speed for 2 minutes. Add mayonnaise and blend 1/2 minute at low speed, then blend 2 minutes at med speed. Crumble and add bleu cheese; blend at low speed no longer than 4 minutes.