1 Separate the whites from the yolks. Whisk the 8 yolks together with the sugar until the mixture whitens. Heat 2 tablespoons of water and dilute 2 teaspoons of coffee in it. Leave to cool.
2 Whisk in the mascarpone. Whisk the egg whites until stiff and then gently fold them into the mixture. Flavour with liqueur and coffee, pour into a container with a lid.
3 Place this mousse in the freezer for 6 hours. After 30 minutes, whip with a fork to prevent the formation of crystals. Repeat twice more
4 Heat the single cream and the remaining soluble coffee in a saucepan. Then pour over the white chocolate, in pieces, and stir to melt. Leave to cool. Brown the almonds and crush them.
5 Divide the ice cream into bowls, top with coffee cream and sprinkle with almonds.