Food & Cooking Recipes Quick & Easy Recipes Perfect Mustard Vinaigrette 3.6 (10) 1 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 May 16, 2017 Print Rate It Share Share Tweet Pin Email Photo: Christopher Baker Yield: Makes 1 1/3 cups Extra-virgin olive oil yields a flavorful, rich vinaigrette. If you prefer a lighter-tasting vinaigrette, try using vegetable or canola oil. Ingredients 2 tablespoons Dijon mustard ⅓ cup champagne vinegar, or other mild-flavored vinegar such as rice-wine vinegar 1 cup extra-virgin olive oil ½ teaspoon coarse salt ¼ teaspoon freshly ground pepper, plus more to taste Directions In a small bowl, whisk mustard and vinegar together. Slowly add oil in a steady stream, whisking constantly until all the oil is added and dressing is creamy and emulsified. Add the salt and pepper; season with additional salt and pepper if desired. Rate it Print