To make this recipe gluten-free. Simply swap out your regular barbecue sauce. For a gluten-free version. Most barbecue sauces contain hidden gluten. In the form of modified food starch. So be sure to check the label. You’ll also want to double-check. Any seasoning packets, like ranch or taco mixes. As they can also contain gluten. The rest of the ingredients—chicken, pineapple, peppers, and spices—are naturally gluten-free. Making this dish an easy adaptation. For those with dietary restrictions!