Add all ingredients to small mixing bowl and whisk together until thoroughly combined.
Use immediately, or transfer mixture to a mason jar to store in your pantry for later.
To make Ranch Dressing, combine 3 Tbsp of Homemade Ranch Dressing Mix, 1 cup of Milk and 1 cup Mayonnaise. Stir thoroughly and Refrigerate. {makes approx. 16 oz. Dressing}
Notes
3 Tbsp of this Homemade Buttermilk Ranch Dressing Mix = a 1 oz. packet of Hidden Valley Ranch Dressing Mix. Substitute in recipes using Hidden Valley Ranch packets accordingly.