This refreshing salad combines the crispness of Boston lettuce with the vibrant flavors of cilantro and the nuttiness of walnuts. The lettuce provides a delicate and tender base, while the cilantro adds a fresh and herbaceous note. The walnuts bring a satisfying crunch and a rich, earthy flavor. Tossed together with a simple vinaigrette, this salad is a perfect side dish or light lunch option.