Ingredient Insiders: Where Chefs Talk

Mustard: Chef Brandon Collins & Unilever

Dry-aged Beef: Chef Rogelio Garcia & Flannery Beef

American Prosciutto: Russ Kremer & Phil Gatto of True Story Foods

Carrots: Chef Dominica Rice & Comanche Creek Farms

Fennel: Chef Dave Beran & Ippolito International

Plant-based Butter: Chef Laura Cronin & Susannah Schoolman of Tourlami

Eggplant: Chef Mike Anthony & Comanche Creek Farms

Sour Cream: Author John Kanell & The Preppy Kitchen

American Cheese: Chef Eric Greenspan & New School American Cheese