Beat 125 g butter with the sugar until frothy. Then add the eggs and mix well. Then add the eggs, flour, block chocolate, hazelnuts, baking powder and cinnamon one after the other, always mixing.
Grease a cake tin with butter and preheat the oven to 170 ° C - 200 ° C.
Pour the batter into the mold, spread the cherries on top and bake in the hot oven for about an hour. If the cake is too dark on top, simply cover it with aluminum foil.