This Tarragon-Walnut Vinaigrette is a flavorful and versatile dressing that pairs well with a variety of salads. Made with fresh tarragon, walnuts, Dijon mustard, and vinegar, this vinaigrette adds a tangy and nutty taste to your greens. It's easy to make and can be stored in the refrigerator for up to a week, making it a convenient option for quick and healthy meals.