Buttermilk Ranch Dressing with Greek yogurt is an easy, healthy, low-fat, 5-minute recipe! Made with a combination of low-fat buttermilk, mayo, low-fat Greek yogurt, diced onion, garlic, and fresh herbs. This delicious dip can be made right in a bowl or mason jar (no food processor or blender needed!) and is delightful when drizzled over your favorite salads or grain bowls, or used as a dip for veggies!