- Toast the hazelnuts in the oven at 175° C for 10 min until the shells have darkened 
- Wrap the hazelnuts in a towel and rub till the shells of the hazelnuts has fallen off the nuts 
- Blend the hazelnuts until they turn into butter (this might take some time) 
- Whisk the hazelnuts with the other ingredients till it has become a uniform mass 
- Pour the mousse into small glasses 
- Let the mousse sit for 30 min in the fridge before serving 
- Garnish the mousses with fruit