This protein-packed salad is a great option for a light lunch or dinner. The salad starts with blanched green beans that are tossed with canned tuna, sliced cherry tomatoes, and chopped hard-boiled eggs. The salad is dressed with a simple vinaigrette made with olive oil, lemon juice, and Dijon mustard. The result is a satisfying and flavorful salad that is perfect for busy weeknights.