Ricotta- and Arugula-Stuffed Shells with Amatriciana Sauce by Williams-Sonoma Editors November 29, 2015December 12, 2016 Here, stuffed shells are enlivened with the addition of savory and colorful sautéed arugula. The amatriciana sauce is a slightly spicy version of marinara sauce with the addition of guanciale and… Read more