Cream butter and 150 g diabetic sweetener with the whisk of the hand mixer. Stir in the eggs one by one. Mix semolina, flour, almonds and baking powder and stir in alternately with the quark. Finally fold in frozen berries. Pour the dough into a greased and floured ring cake tin (2.7 litres capacity).
Bake in a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for approx. 1 hour (stick test). Remove the cake from the oven. Turn out after approx. 15 minutes and let it cool down on a cake rack. Sprinkle with 10 g diabetic sweetness before serving
Waiting time approx. 2 hours. / 2.5 BE