Wash the plums, drain well, cut in half and remove stones. Mix the pudding powder with 40 g sugar and 100 ml milk until smooth. Put 400 ml milk in a pot and bring to the boil. Remove the pot from the stove, stir in the custard powder and place back on the stove. Simmer for at least 1 minute while stirring.
Cover the pudding with foil directly on the surface and let it cool down a little. In the meantime, stir the soft fat, 250 g sugar, vanillin sugar and 1 pinch of salt until creamy. Add the eggs one by one alternating with the starch and stir well. Mix flour and baking powder and finally stir in briefly. Pour the dough onto a greased, floured fat pan of the oven (32 x 37 cm) and smooth it down. Spread the plums on top. Mix warm pudding and cream. Spread the pudding as thick blobs on the plums. Sprinkle with almonds and about 4 tablespoons of sugar (60 g) (mainly on the pudding blobs) and bake in the preheated oven mid-height (electric oven: 175 °C/ convection oven: 150 °C/ gas: level 2) for 50-60 minutes.
Spread the plums on top. Mix warm pudding and cream. Spread the pudding as thick blobs on the plums. Sprinkle with almonds and about 4 tablespoons of sugar (60 g) (mainly on the pudding blobs) and bake in the preheated oven mid-height (electric oven: 175 °C/ convection oven: 150 °C/ gas: level 2) for 50-60 minutes. Let the cake cool down on the fat pan and cut it into about 24 pieces. Whipped cream tastes good with it