Test Kitchen Tip: To keep your salad moist, toss the cooked pasta in lemon juice and olive oil, then refrigerate overnight. This keeps the pasta from absorbing all the dressing, which can make the salad dry. Buy It: Rao’s Basil Pesto ($6, Target) Test Kitchen Tip: Toast the walnuts for at least 5 minutes before chopping them for ultimate flavor. Buy It: Ball Canning Jars ($19 for 12, Bed Bath & Beyond)