Dissolve coffee granules ih hot water, cool to room temperature
Beat mascarpone cheese, confectioner's sugar, vanilla and salt until smooth
Beat in coffee slowly, it may look a bit grainy after adding the coffee but will be silky smooth after adding the whipped cream.
In another bowl beat cream until it forms firm peaks
Fold the whipped cream and marscapone mixture carefully together until blended
In 4 six to eight ounce glasses, add a layer of the mousse
Sift over a dusting of the cocoa powder
Add another layer of mousse to each cup, using enough for 3 more alernating layers with dusting cocoa powder
Chill until ready to serve, at least 4 hours or more then top with whipped cream, a dusting of cocoa powder, chocolate shavings and a hazelnut filled cookie
