Copycat Chick Fil A Chicken Tortilla Soup | Dairy Free Dinner Recipe: No more waiting in the drive thru line for that seasonal favorite, Chick Fil A chicken tortilla soup. This delicious copycat recipe will have you making dinner at home! Made with gluten free and dairy free ingredients, this is the perfect soup recipe to enjoy all winter long. Don't forget to top it off with tortilla strips, just like the restaurant version!