Add all the ingredients to a medium mixing bowl and mix well with a whisk.
½ Cup Mayonnaise, 1 Tablespoon Ketchup, ¼ Cup Sour Cream, 2 teaspoons Dijon Mustard, 2 teaspoons Stoneground Mustard, 1 teaspoon Hot Sauce, ½ teaspoon Vinegar, 1 Each Green Onion, Salt and Pepper to taste
Cover with plastic wrap and refrigerate for about an hour, to allow the flavors to marry, before serving.