Martha Stewart shares 5 of her preferred pasta salad dishes in addition to her best ideas and techniques for getting them just right. Discover why she washes pasta in cold water for pasta salad, the simple trick for perfectly prepared asparagus, and how she quickly roasts peppers over an open flame, all while making fresh, flavorful meals for whatever from weeknight dinners to summertime gatherings. From an intense spring pasta salad with asparagus, tomatoes, lemon, and feta…