To make this Fluffy Zucchini Bread gluten-free. You can easily substitute the all-purpose flour. With a gluten-free flour blend. Look for a blend that contains xanthan gum. As it helps mimic the texture. That gluten provides. Keeping your bread fluffy and delicious. Another great tip. Is to ensure that all your other ingredients. Like baking powder and vanilla extract. Are certified gluten-free. You might also want to consider. Adding an extra egg or a tablespoon of ground flaxseed. To improve the bread’s structure and moisture content. As gluten-free baking can sometimes result. In a drier texture. Remember, the key to perfect gluten-free zucchini bread. Is balancing the moisture from the zucchini. And achieving the right texture. With your flour blend.