1/2 c. mayonnaise
2 oz. blue cheese, room temperature
3 tbsp. cream
1 tsp. sugar
2 tsp. lemon juice
2 tsp. vinegar
1 tsp. grated onion
1/2 tsp. Worcestershire sauce
1/2 tsp. prepared horseradish
1/2 tsp. garlic salt
Dash freshly ground black pepper

Blend mayonnaise with blue cheese until smooth. Add all remaining ingredients. Mix well. Cover and chill.