Chocolate Banana Oat Cake

Ingredients

150 g (1 ½ cups) oat flakes

150 g (⅔ cup) milk

2 eggs

2 bananas, mashed

1 g (optional) sweetener (like stevia or honey, depending on your taste)

5 g (1 tsp) baking powder

30 g (¼ cup) cocoa powder

30 g (1 oz) walnuts, chopped

30 g (1 oz) dark chocolate, melted or chopped (for topping)

Instructions