1 cup mayonnaise
1 cup buttermilk
1 teaspoon dried dill
1 teaspoon dried parsley
1 teaspoon garlic powder
1 teaspoon onion powder
1/2 teaspoon salt
1/2 teaspoon black pepper
1 tablespoon lemon juice or white vinegar
Whisk all ingredients together until smooth
Chill for at least 30 minutes before serving