Chop the couverture and melt in a bowl on a warm water bath. Remove the bowl from the water bath. Separate eggs. Beat the egg yolks and 1 tablespoon of sugar in a warm water bath for 3-5 minutes. Mix the chocolate coating, cocoa and the foamy egg mixture, remove from the bain-marie and allow to cool to approximately body temperature. Beat the egg whites until stiff, adding 1 tablespoon of sugar. Beat 150 g cream until stiff.
First fold in the beaten egg whites, then the cream and chill for at least 3 hours. Peel oranges so that the white skin is completely removed. Remove the fillets with a knife between the parting skins. Marinate orange fillets with liqueur. Beat 50 g cream with a whisk until stiff. Arrange mousse in glasses, decorate with orange filets and cream
waiting time approx. 3 1/4 hours