Chop all but a few nuts. Roast them all in a pan without fat and take them out
Stir pudding powder, espresso, sugar and 6 tablespoons of milk until smooth. Boil up the rest of the milk. Stir in pudding powder and 2 tablespoons chopped hazelnuts and simmer for about 1 minute. Pour the pudding into a bowl, cover with cling film and allow to cool
Stir the pudding until smooth. Whip the cream until stiff, fold half into the pudding. Fold in the remaining cream in "streaks". Divide into 4 glasses. Decorate with rest of nuts