1 c. mayonnaise
2 tbsp. minced parsley
1 tbsp. white vinegar
1 tbsp. milk (or more)
1 clove garlic (minced or pressed)
1/2 tsp. sugar
1/4 tsp. salt
1/4 c. sour cream (optional)
1 tbsp. grated onion

Stir together all ingredients. Cover and chill. Makes 1 cup.

Creamy Onion: Substitute 1 tablespoon grated onion in place of garlic.