Grease a 24 springform pan and line it with baking paper. Preheat the oven to 175 ° C with forced air.
Beat the margarine, sugar and vanilla sugar until frothy. Gradually stir in the eggs. Alternately stir in flour with baking powder and egg liqueur. Finally fold in the chocolate flakes and pour the mixture into the springform pan. Spread the cherries on top and press lightly.
Bake in the hot oven for about 25 minutes. Do the chopsticks test.