Chick-fil-A® is adding a little zest to dreary winter days with two bright and spicy menu items - the return of the much-loved Grilled Spicy Deluxe Sandwich - paired with a cool, Cilantro Lime Sauce – along with refreshing and fruity Key Lime seasonal beverages. Starting January 7, Guests can turn up the heat or add a little lime to their life at participating restaurants nationwide for a limited time.