Ingredients:
1/2 C. salad oil (or olive oil); 1 C. sour cream; 2 tsp. sugar; 1/2 C. mayonnaise; 1 tsp. Worcestershire sauce; 1/2 tsp. dry mustard; Salt and pepper to taste; 1 clove minced garlic; 2 T. diced onion; 1/4 C. parsley, chopped fine; 1 T. wine vinegar; 1 T. lemon juice; 4 oz. crumbled blue cheese (about 1 cup)
Preparation:
Put all ingredients in food processor or blender (keep out 2 ounces of blue cheese). Blend and lastly add the crumbled blue cheese by hand.