Cream fat, sugar, vanillin sugar, salt and lemon peel. Add eggs and 1 tablespoon of flour and stir until creamy. Add lemon juice and milk one after the other and stir in. Mix remaining flour and baking powder and fold in. Spread the dough on a greased baking tray (39x32 cm). Bake in the preheated oven (electric: 200 °C / gas: level 3) for 15-20 minutes and let cool off. In the meantime, roast the almonds in a dry pan and let them cool down.
Coarsely chop the chocolate coating and melt in a hot water bath. Allow to cool, melt again, pour on the cake and spread. Draw a cake comb diagonally through the moist couverture and sprinkle with flaked almonds and sugar crystals. Let it dry. Cut the cake into 6x6 cm pieces. Results in approx. 30 pieces