Sichuan Chicken Lettuce Wraps Stuff low-carb lettuce wraps with Asian-inspired bang-bang chicken for an easy weeknight dinner that beats takeout! Sichuan peppercorns aren't peppers--they're the dried berries of the Chinese prickly ash bush. Don't have any on hand? Substitute 1/2 tsp. each crushed red pepper and five-spice powder for the Sichuan pepper.