Grease the springform pan (26 cm Ø). Separate 2 eggs. Cream fat, 100 g sugar, 1 vanilla sugar and 1 pinch of salt. Stir in 1 egg and 2 egg yolks separately. Mix flour and baking powder and stir in briefly, alternating with the milk. Spread into the mould
Beat the egg white and 1 pinch of salt until stiff, adding 100 g of sugar. Spread loosely on the dough, leaving 2 cm free at the edge. Bake in a hot oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2) for approx. 25 minutes. Cool down
Simmer plums (up to 4 pieces) with juice, port wine, 2 tablespoons of sugar and spices for about 10 minutes open. Mix starch and 6 tbsp. water. Stir into the plums, simmer for about 1 minute. Cool down for about 30 minutes. Spread on the cake base. Chill for 1 hour
Whip the cream until stiff, pour in the cream firmer and 1 vanillin sugar. Spread 3/4 cream on the plums. Spray the rest of the cream onto the cake in approx. 8 large tuffs. Chill for about 1 hour. Cut the rest of the plums in half before serving. Decorate the cake with waffles, plums and icing sugar