Grease a star-shaped (20 cm Ø; approx. 1.25 l capacity) or box-shaped (approx. 1.5 l capacity; approx. 25 cm long) mould and dust with flour. Finely chop the chocolate. Separate eggs. Cream fat, sugar, lemon peel, coffee, spices and rum flavouring. Stir in egg yolks one after the other. Mix chocolate, flour, baking powder and ground almonds and stir in briefly, alternating with the milk
Beat egg white and salt until stiff, fold into the dough in 2 portions. Spread into the mould
3 Pre-bake in the preheated oven (electric oven: 200 °C/circulating air: 175 °C/gas: level 3) for about 5 minutes. Then switch down to 175 °C (convection oven: 150 °C/gas: level 2) and continue baking for approx. 50 minutes. Leave to rest in the pan for approx. 10 minutes. Turn out and let cool down
Roast the flaked almonds without fat, cool. Coarsely chop the chocolate coating and melt in a hot water bath. Cover the star with it. Sprinkle with almonds, let dry. Dust with icing sugar