Begin by adding the mayo and the buttermilk into a large mixing bowl and mix together well with a whisk until well blended.
Next, add the dry ingredients and mix very well with a whisk or large spoon.
Cover and refrigerate for at least 30 minutes (preferably an hour) before serving.
Notes
Nutritional information is an estimate only.Be sure to let the ranch sit for at least 30 minutes (preferably an hour) to give time for the flavors to meld together.