Nutella and peanut butter mousse

ingredients:
25 grams of peanut butter
40g nutella
3 Yellow
3 white
1 to 2 tablespoons icing sugar a tablespoon to taste
1 pinch of salt
10 soup spoons of milk 
method:

Beat the egg whites with a pinch of salt using an electric mixer for 5 minutes.
In a saucepan, bring the milk, egg, salt and sugar yellow.
Put the pan on low heat and let thicken, stirring constantly.
Remove from heat and let cool.
Beat peanut butter and nutella in mixer for 1 minute.
Combine the two mixtures together, then add the egg whites beaten stiff.
Mix gently to avoid breaking the egg whites.
Leave your mousse into glasses of your choice and decorate according to your means.
http://www.bonoise-recettes.com/286-index.html