Preheat oven (electric cooker: 175 °C/circulating air: 150 °C/gas: see manufacturer). Grease mould (springform pan with tube bottom insert; 26 cm Ø), dust with flour. Break chocolate into pieces for the dough.
Heat 100 g cream. Melt chocolate in it. Roughly chop 100 g candies.
Cream 250 g butter, sugar and 1 pinch of salt with the whisks of the mixer. Stir in the eggs one by one. Mix 350 g flour, starch, baking powder and cocoa. Stir the chocolate cream briefly into the butter-sugar-cream.
Fold in chopped caramel sweets. Put the dough into the mould and smooth it down. Bake in a hot oven for approx. 45 minutes. Take out, let it cool down and remove from the tin.
Chop 150 g candies for the glaze. Heat with 100 g cream and melt while stirring. Simmer caramel cream at medium heat for about 5 minutes, stirring more often. Let it cool down for about 5 minutes and drizzle over the cake.
Allow to dry.