Step 1

Put the oat flakes in a bowl and cover them with water

Step 2

Place the mixture into the refrigerator and allow the mixture to swell for at least one hour

Step 3

Take the muesli out of the fridge in the morning and add the milk

Step 4

Grate the apples over the muesli and stir it into it

Step 5

Sprinkle the grated or chopped hazelnuts over the muesli