In a medium mixing bowl, combine all ingredients and mix well with a wire whisk. Store in airtight container in a cool dry place. This is enough mix to make 12 batches of ranch salad dressing.

To make Ranch Dressing, combine 1 tablespoon of Ranch Salad Dressing Mix with 1 cup mayonnaise and 1 cup buttermilk. Refrigerate until serving. Yield 2 cups