The best burgers are well-seasoned, layered correctly, and come with a toasty bun, according to a Top Chef contestant and Denver Burger Battle Judge. What does it take to make an award-winning burger?

What’s your take on buns? “The potato bun is the winner. Brioche, as fancy as it sounds, does not structurally hold up at all. It’s made of nothing but eggs and butter. So basically, you put a ...