Francesco Mattana was born and raised in Sardinia.Photography by Dave Brown, from "Eat Like A Sardinian."On the Italian island of Sardinia, fresh produce, beans, and whole grains are staples.An Italian chef who grew up following the Mediterranean Diet on the island shared three recipes.Francesco Mattana's "Live to 100" minestrone soup is a nod to Sardinia's many fit older citizens.Francesco Mattana grew up eating freshly caught fish and locally …