Food & Cooking Recipes Healthy Recipes Gluten-Free Recipes Lighter Ranch Dressing Be the first to rate & review! By Martha Stewart Test Kitchen Martha Stewart Test Kitchen The recipes developed by our test kitchen team have undergone a rigorous process of development and testing, ensuring that every element is optimal, from ingredient amounts to method and cooking time. This process includes triple-testing recipes to ensure they meet our high standards. The many stellar cooks and food editors who have been part of our team include Sarah Carey, Lucinda Scala Quinn, Jennifer Aaronson, Shira Bocar, Anna Kovel, Greg Lofts, Riley Wofford, Lauren Tyrell, and Lindsay Leopold. Editorial Guidelines Updated on July 8, 2019 Print Rate It Share Share Tweet Pin Email Photo: Brett Stevens Prep Time: 5 mins Total Time: 5 mins Yield: 2 cups Lighter versions of ingredients such as sour cream and mayonnaise still provide lively flavor. Ingredients 1 cup low-fat buttermilk ½ cup light mayonnaise ½ cup reduced-fat sour cream 1 teaspoon white-wine vinegar 2 scallions, minced ½ teaspoon dried dill Coarse salt and ground pepper Directions In a medium bowl, whisk together buttermilk, mayonnaise, sour cream, vinegar, scallions, and dill; season with salt and pepper. To store, refrigerate, covered, up to 3 days. Rate it Print