1/2 cup mayonnaise
1/2 cup buttermilk
1/4 cup sour cream
1 teaspoon dried dill
1 teaspoon dried parsley
1/2 teaspoon garlic powder
1/2 teaspoon onion powder
1/4 teaspoon salt
1/4 teaspoon black pepper
1 tablespoon lemon juice or white vinegar
Whisk mayonnaise, buttermilk, sour cream, dill, parsley, garlic powder, onion powder, salt, black pepper, and lemon juice until smooth
Chill for at least 30 minutes before serving
Adjust thickness with more buttermilk if needed
Store covered in the refrigerator