Eggnog nougat cake

Name: Eggnog nougat cake
Cook time: 2 h
Total time: 2 h
Yield: 16
Ingredients: 150 g firm nut nougat mass; 50 g Dark chocolate; 800 g Whipped cream; 125 g cold butter; 60 g Icing sugar; 1 Egg Yolk; 300 g Flour; 1 heaped Tsp cocoa powder; 2 1/2 TSP. Baking Powder; 4 Eggs (size M); 125 g Sugar; 100 g Cornstarch; 2 TEASPOONS Gingerbread spice; 1 TABLESPOON Apricot Jam; 5 sheets Gelatine; 2 packages Vanillin sugar; 180 ml Egg liqueur; 2 TABLESPOONS Cocoa powder for decorating; 7-10 Tbsp Cling film; baking paper; 7-10 Tbsp Flour