Authentic street tacos are prepared on street carts in Mexico. Vendors grill chicken, beef or pork on braziers, then wrap the meat in small, warm tortillas, adding a squirt of hot sauce or spoonful of salsa. Taco trucks popularized these stateside, but now chains, including East Coat Wings + Grill, are menuing their own versions. The ECW+G Street Tacos feature pork belly topped with Korean barbecue sauce, pico de gallo, shredded cheddar and chipotle sour cream in flour tortillas.