 This message furnished by the National Association of Broadcasters. What makes Taco John's new Grande Grillers our boldest burritos ever? There's just something that happens to crispy all-white meat chicken and zesty chipotle lime sauce. Under the fiery power of the grill. That makes bold flavors even bolder. Just imagine. The sultry heat of 100% North American beef and crispy potato olays. Forged under 525 degrees of hot iron.