A tasty gluten-free muffin that is sweetened with maple syrup - no refined sugar. This recipe was developed and tested using my gluten-free all purpose flour blend. Gluten-Free Maple Oat Walnut Muffins Recipe Type: Breakfast Author: Joan Donogh Prep time: 10 mins Cook time: 20 mins Total time: 30 mins Serves: 12 muffins Ingredients 1