Warming Gluten Free Apple Cinnamon Muffins paired best with a cup of joe. This tasty Gluten Free Apple Cinnamon Muffin Mix is packed with real apple bits. It is one of our favorite treats here at BooKoo Foods. Each of our Gluten Free Muffin Mixes were made to create gourmet muffins time after time, and they are sure to warm your tummy with every bite.