Bring the cream to the boil and remove from the heat. Roughly chop the white couverture and melt in it while stirring. Cool down. Chill overnight.
Grease a fat pan (approx. 32 x 39 cm; approx. 3.5 cm deep) and sprinkle with breadcrumbs. Coarsely chop almonds, milk and dark chocolate coating. Dice butter and melt with the chocolate coatings in a hot water bath. Stir in crème fraiche. Leave to cool a little bit
Beat the eggs, sugar and 1 pinch of salt for about 5 minutes until frothy. Stir in the butter couverture bit by bit. Mix flour, ground almonds and baking powder, stir in portions briefly. Fold in chopped almonds. Spread on the fat pan. Bake in the preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2) for 20-25 minutes. Let cool off
Whip the chocolate cream until creamy and spread on the cake. If necessary, decorate with a cake comb in a wavy shape. Chill for at least 30 minutes