what fast food restaurants are gluten free?
["Arby's.", 'Boston Market.', 'Chick-fil-A (offers gluten-free buns and gluten-free french fries)', 'Chipotle Mexican Grill.', 'Five Guys (offers gluten-free fries)', 'In-N-Out Burger (offers gluten-free fries)', 'Shake Shack (offers gluten-free buns)', 'Sonic Drive-In (offers gluten-free fries)']