Knead the flour with the baking powder, an egg, the sugar and the butter to a smooth dough and let it rest in the fridge for 1 hour.
Put the cherries with the juice in a saucepan, mix the vanilla pudding powder with some of the cherry juice. Bring the cherries to the boil, stir in the mixed pudding powder, bring to the boil once, remove from the stove and let it cool down.
Spread the cherry mixture on the bottom in the form.
Mix the sour cream with the cream until smooth, add the sugar, the rest of the egg and the vanilla pudding powder, mix everything well, distribute on the cherries.
Bake the cake in the oven preheated to 180 degrees top / bottom heat for 35 - 40 minutes, remove it and let it cool in the tin.