Preheat oven (electric cooker: 200 °C/circulating air: 175 °C/gas: see manufacturer). Grease the springform pan (26 cm Ø). Chop 100 g chocolate very finely. Cream 125 g butter, sugar, vanilla sugar and 1 pinch of salt with the whisks of the mixer.
Stir in the eggs one by one. Mix flour, baking powder, almonds and cocoa. Alternately stir in with the milk. Spread the dough into the mould. Bake in a hot oven for 25-30 minutes. Let the cake cool down.
Chop 200 g chocolate and melt in a hot water bath. Leave to cool for about 10 minutes. Crumble the cake into a bowl. Knead with jam, rum and chocolate. Form approx. 30 balls (4-5 cm Ø) from the mixture.
Turn into glitter sugar. Stick a stick into each ball. Chill for about 1 hour.