Time Commitment: 1 hourWhy I Love It: <10 ingredients, crowd-pleaser, vegetarianServes: 8 to 10
“A gratin is a dish that’s topped with breadcrumbs (or cheese, or both) mixed with bits of butter, then baked until brown, bubbling and crisp,” Gillen explains. “It’s decadent, but the fresh, licorice-y bite from the fennel reminds you it counts as a vegetable.”