Put the oat flakes, banana and flour in a bowl and mix with the mixer.
Melt the chocolate a little in the microwave or on the stove and mix in. Add the natural yoghurt and, if necessary, water and stir again until a grainy and sticky dough is formed.
Fill 3 muffin molds with the batter and bake for about 20 minutes at 180 ° C.
The amount of ingredients is designed for 3 delicious and creamy muffins. 1 muffin has 280 Kcal.