Carlos Cruz, executive chef of Jose Andres’ China Poblano at The Cosmopolitan of Las Vegas, makes the SecretBurger off-menu, one-night-only ‘All Quacked Up’ with a kimchi pancake, Peking duck, house-made hoisin sauce, a fried duck egg, pickled micro-vegetables, caviar and gold flakes and serves it with a Stillwater Artisanal Ale. (Heidi Knapp Rinella/Las Vegas Review-Journal)