Looking for soft, fluffy gluten-free protein donuts, a healthier homemade baked donut recipe, or a delicious high-protein breakfast treat? These Blueberry Protein Donuts combine juicy blueberries, gluten-free self-raising flour, vanilla whey protein, coconut sugar, maple syrup, and almond milk to create moist, bakery-style donuts with a naturally sweet berry flavour.