The region of Ikaria, Greece, is a Blue Zone, meaning some of the world’s longest-living people live there. Ikarian Greeks include walnuts in their diet, and it’s no wonder many of them live well past the age of 100! Walnuts are one of the best foods for you because of their many nutritional qualities. In this pesto, the light, fresh flavor of the celery leaves goes well with the rich flavor of the walnuts. Just buy a bunch of celery with plenty of leaves still on the stalks. If you can’t find enough celery leaves, you can use stemmed watercress […]