1/2 c. buttermilk
1/2 c. mayonnaise
1 tsp. parsley flakes
1 tsp. instant minced onion
1/2 tsp. Worcestershire sauce
1/8 tsp. garlic powder
Salt and pepper to taste

Measure above ingredients into a one cup sealable container, seal and shake well. Refrigerate several hours. Shake before serving.