High protein brownies

Name: High protein brownies
Prep time: 10 min
Cook time: 20 min
Total time: 20 min
Yield: 24 pieces
Ingredients: butter; 25 g blanched almonds; 1 can kidney beans; 75 g apple sauce; 50 g cocoa powder; 40 g cacao protein powder; 4 eggs; 1 tsp natural vanilla extract; 2 pinch salt; 4 tbsp coconut oil; 65 g pure maple syrup; 50 g almond butter; 1 ½ tsp baking powder; 2 tbsp walnut halves; cocoa powder