Shred sweets in the universal shredder. Chop chocolate. Cut butter into cubes. Melt butter with chocolate over a warm water bath. Beat eggs and sugar with the whisk of the hand mixer until frothy.
Stir in the chocolate mixture. Stir in flour and liquorice briefly. Fill the dough into a greased, square springform pan (24 x 24 cm) and smooth it down. Bake in a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see
manufacturer) bake for about 20 minutes. Take out, let cool down.
Whip the cream and vanilla sugar with the whisk of the hand mixer until stiff. Remove the cake from the tin and spread the cream on top. Put the red fruit jelly in a sieve and let it drain a little. Spread on the cream.
Use the rest of the red fruit jelly sauce for other purposes. Drizzle liquorice syrup over the cake. Cut the cake into about 36 cubes.