From: Grandma Parker
1 c. buttermilk
1 quart Mayonnaise
1/2 tsp. onion salt
2 tsp. Accent
2 tsp. dried parsley flakes
1/2 tsp. salt
3/4 tsp. black pepper
1/2 tsp. garlic powder
Combine all ingredients and stir until smooth. Taste and adjust seasonings, if needed. Store, covered, in the refrigerator up until the buttermilk and Mayonnaise expires.