Mix cream cheese, yoghurt, sugar and cinnamon. Put Cantuccini in a freezer bag and crumble coarsely with a dough roll. Spread half the crumbs in four glasses. Sprinkle with half the coffee.
Layer half cream cheese cream and whole red fruit jelly on top. Spread the remaining crumbs on top and sprinkle with the rest of the coffee. Finish with the rest of the cream. Put it in a cold place.
Chop the couverture and melt in a hot water bath. Wash the ground ivy leaves and dab dry well. Dip into the couverture and let it drain. Place on a plate lined with baking paper, chill and allow to dry. Dust the tiramisu with cocoa and decorate with the leaves.