5 Cookbooks That Go Deep on a Single Ingredient

By Jamie Feldmar

If you’ve ever been starstruck by a perfect Cinderella pumpkin or a stately stalk of Brussels sprouts, you likely understand the appeal of a book focused on a single fruit or vegetable. While books like this aren’t always long, they typically go deep, with the fervor of an author who is fully obsessed. The book gets weird in the best way possible, with profiles of Italian growers and recipes including gnocchi with radicchio pesto, radicchio with prosciutto ­gratin, and chocolate–radicchio cake (why not?