Blueberry oat and walnut protein muffins

Name: Blueberry oat and walnut protein muffins
Cuisine: American
Ingredients: 1. Oat bran 200 g; 2. Vanilla whey 160 g; 3. Cinnamon: 2.5 t; 4. Baking powder 4 t; 5. Oat fiber: 100 g; 5. Chia seeds 30 g (optional); blueberry: 200 g; 7. Banana: 240 g; 8. Apple sauce 1/2 c; 9. Greek yogurt: 150 g; 10. Egg whites: 200 g; 11. Vanilla: 1 t; 12. Oat milk 1/4 cup ? Enough to make mix wet; 72g Walnut