Beat the butter with sugar and vanilla sugar until creamy and fold in the eggs. Then the cream.
Mix the flour and baking powder and gradually stir in. Grease a baking sheet and spread the batter on it.
Clean the gooseberries and currants and spread them over the dough.
Bake at 150 ° C for approx. 30 minutes - stick test !!!
Let it cool down and spread the glaze over it.
Next time I will turn the berries into cornstarch beforehand (before I put them on the base), because they still release moisture to the base after baking, so that it can be a bit too moist at the bottom - in places. With cornstarch you can safely eliminate the small problem.