While the oven is preheating, blend banana, shredded carrots, yogurt, milk and maple syrup together for a few seconds, just enough to pulse the carrots into finer pieces
Mix together oat flour, oats, baking powder, baking soda, cinnamon, and allspice together in a bowl. Then mix in the wet ingredients until well combined
Fold in the shredded coconut, raisins and walnuts. Lightly spray the muffin tray with coconut oil or use cupcake liners. Then fill each muffin with about 1/4 cup of batter.
Bake at 350 for about 18-20 minutes, or until toothpick comes out clean when tested.
Notes
You can use store bought oat flour or simply blend regular oats until a flour consistency is formed