Stir together mayonnaise and buttermilk. Stir in cheese, herbs, garlic powder, onion powder, and pepper. Cover and store in refrigerator up to 2 weeks. If necessary, stir in milk to make of desired consistency. Makes 1-1/2 cups.

Best if made at least a couple hours ahead of time and refrigerated.

For Dip: Do not stir in any milk. Serve with any kind of chips or fresh vegetables.