Test Kitchen Tip: Keep your cool and serve this salad chilled. Simply rinse the potatoes and beans in cold water after boiling and before tossing with the shrimp and vinaigrette. Test Kitchen Tip: Customize this healthy red potato salad recipe to the season and to use up your herb garden harvest with either tarragon, dill, or parsley—or a combination of all three. Buy It: Hamilton Beach Bowl Scraper 8-Cup Food Processor ($45, Walmart) Buy It: Stainless Steel Covered Mixing Bowl ($7, Target)