The vinegar and mustard based marinade for this healthy Grilled Pork Tenderloin with Marinated Cucumber-Fennel Salad doubles as the vinaigrette for the salad, which makes this grilling recipe low in ingredients but high in flavor. Not only is this recipe easy, it’s healthy, has a quick prep time and fits the Whole 30 guidelines. It’s gluten free, dairy free, and there’s no added sugar, which makes it a healthy recipe you will feel good eating!