Ranch dressing is a popular salad dressing consumed in the United States. It's a dressing made with buttermilk, mayonnaise, onion, garlic, and herbs. Buttermilk forms an integral part of this dressing. Preparing this dressing is extremely, as it doesn't call for any time-consuming preparation process. Ranch dressing can be used as a dip for vegetable platters, or can even be used in tortillas, sandwiches, etc. Let's find out how this refreshing dip is prepared.