Chocolate mousse on raspberry mint surprises

ingredients:
500 g raspberries
Sugar according to your taste
2 g agar
48 fresh blueberries (about 125g)
100 g spicy dark chocolate
2 squares of dark chocolate with mint
40 g butter
3 small eggs
1 pinch of salt
Some white currants for decoration
method:

1. Crush the raspberries through a Chinese to get the maximum juice and pulp. Sweeten if necessary. Mix the juice with the agar and gently simmer for 2 minutes in a saucepan.
2. 4 Place blueberries in jar and pour the raspberry sauce over. Leave in the refrigerator while preparing the foam.
3. 2 Melt the chocolate with the butter 1 minute in the microwave or in a bain-marie. Add the egg yolks and the egg whites until stiff with a pinch of salt.
4. Cover the sauce with raspberry mousse and let it take 1 hour to cool. Garnish with a bunch of grapes before serving.
http://www.odelices.com/recette/mousse-au-chocolat-mentholee-sur-framboises-surprises-r821/