Amelia Freer is here to revolutionize how you eat.

When you’re a nutritionist who’s credited with turning around the lives of countless clients—including such bold names as Sam Smith, James Corden and Boy George—by teaching them how to eat (actually to Eat. Nourish. Glow.) what do you do for an encore? Evidently, teach them how to cook (or more precisely, Cook. Nourish. Glow.). Her new book is in fact a nearly perfect resource for navigating the minefield of healthy eating without losing your mind—or being really, really hungry.Sound too good to be true? Try out this recipe for Chicken and Tarragon Casserole (a healthy casserole!) and tell us we’re wrong.Chicken Casserole