Dissolve 1 tablespoon of espresso powder in 8 tablespoons of hot water. Add liqueur. Coarsely crumble the biscuits and, except for 2 tablespoons, distribute them into the dessert glasses. Sprinkle with prepared coffee-liqueur mixture
Warm the milk and dissolve the rest of the espresso powder and cocoa powder in it, except for something to sprinkle on. Whip 100 g cream with the whisk of the hand mixer until stiff
Mix mascarpone, quark, sugar and coffee-cocoa. Fold in stiffly whipped cream. Spread the cream into the prepared glasses and chill for at least 30 minutes
Whip 100 g cream until creamy. Coarsely crumble the cream and remaining biscuits and sprinkle on glasses. Sprinkle with cocoa