This easy homemade blueberry muffin recipe makes the very best moist and healthy blueberry muffins ever! They are gluten, egg, and dairy free - but are loaded with flavor from fresh or frozen blueberries, maple syrup, and the best cinnamon and vanilla. These blueberry muffins are made super healthy by adding flax seed, chia seeds, and oatmeal for fiber. This simple, clean-eating recipe is perfect for breakfast or snacks and the kids love it!!