A festive atmosphere, potent margaritas and wallet-friendly prices lure crowds to this popular Mexican chain.. In Short With friendly servers and goofy gimmicks, Chevys is a big draw for families and groups looking for a fun, affordable night out. A full bar and a dozen different margaritas attract a happy hour crowd, and a tortilla machine is often surrounded by children watching the dough-to-tortilla transformation. Fajitas, a house specialty, are available with nearly a dozen different fillings, from mesquite-grilled chicken to portobello mushrooms and asparagus. Desserts include flan and sopaipillas.