Beat the egg whites with the whisks of the hand mixer until stiff. Finally, pour in 60 g sugar. Spray meringue tuffs onto a baking tray lined with baking paper. Bake in a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for approx. 4 minutes.
Remove and let it cool down. Stir mascarpone, quark, liqueur and remaining sugar until smooth. Wash the strawberries and put 2 pieces aside. Clean the remaining strawberries and cut into slices. Place the strawberry slices on the edge of the glass.
Coarsely crumble the butter cookies. Cover glass bottom with cookie crumbs and drizzle with 1 tbsp. espresso. Pour 2-3 tablespoons of cream on top and cover again with cookie crumbs. Sprinkle each with 1 tablespoon of espresso, place 2-3 tablespoons of cream on top and cover with strawberry slices.
Spread the rest of the cream on the strawberries and chill for about 30 minutes. Cut 2 strawberries in half. Dust the cream with cocoa before serving. Decorate with strawberry halves and crumbled meringue.