Wash, stalk and stone the cherries. Cream butter, sugar, vanilla sugar, lemon zest and eggs with the whisk of the hand mixer. Add buttermilk and mix. Mix flour, salt, starch and baking powder and stir into the egg-sugar mixture in portions
Grease the porcelain pie mould (22 cm Ø). Add the dough and smooth it down. Spread cherries on it and press them in. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for approx. 45 minutes (stick test)
Remove the cake from the oven and let it cool down. Sprinkle with icing sugar before serving
waiting time approx. 2 hours