To make these muffins gluten-free. Substitute the all-purpose flour. With a gluten-free flour blend. Make sure your baking powder. And other ingredients. Are certified gluten-free. The texture might be slightly different. But the flavors will be just as delicious. Using a high-quality gluten-free flour blend. That includes xanthan gum. Can help achieve a similar texture. To regular muffins. Ensuring they hold together well. And stay moist.