Chart House Bleu Cheese Dressing

Blend at low speed 2 minutes:
¾ C. sour cream
½ t. dry mustard
½ t. black pepper
½ t. salt
1/3 t. garlic powder
1 t. Worcestershire sauce
Add & blend 30 sec at low speed:
1 1/3 C. mayonnaise
Add & blend 2 minutes at low speed:
4 oz. bleu cheese, crumbled
Let sit 24 hours before using
Makes 2 ½ C.