2 minutes in the microwave
Combine oat flour, unsweetened cocoa powder, and baking powder in a bowl.
Add erythritol, boiled and mashed tofu, egg whites, and non-fat yogurt, then mix well.
Pour the batter into an oven-safe dish.
Bake in a preheated oven at 180°C for 15-20 minutes.
After cooling, top with nuts or dark chocolate chips as you like.