To make this Chili Cheese Dog Bake Dinner gluten free, use a certified gluten-free pizza dough or gluten-free refrigerated dough alternative. Also confirm that the hot dogs, chili sauce, garlic powder, and any other packaged ingredients are certified gluten free or free from hidden gluten-containing additives. Because some processed meats and sauces may contain gluten-based fillers or thickeners, always check labels carefully if preparing this dish for someone with celiac disease or a strict gluten-free diet.