To make this Coffee Cake Banana Bread gluten-free. Simply substitute the all-purpose flour. With a gluten-free flour blend. Make sure the blend contains xanthan gum. Which helps mimic the elasticity. And the texture of regular flour. Additionally, double-check that all other ingredients. Such as baking soda and sour cream. Are certified gluten-free. To avoid any cross-contamination. The result will be just as moist and delicious. With the same delightful crumb topping. That makes this bread so special. Enjoy your gluten-free treat with confidence. Knowing it’s safe. For everyone to savor!