For the hazelnut vanilla muesli, cut the apple into small pieces, mash the banana with a fork.
Mix the fruit together with the hazelnuts, oat flakes, flax seeds, chia seeds, cinnamon and vanilla powder in a bowl and pour the protein drink over it.
Mix well and place in the refrigerator to swell (preferably overnight).
Preparation Tip:
The hazelnut vanilla muesli can be varied as desired.