125ml egg liqueur
1T vanilla pudding
2t baking powder
375g icing sugar
Preheat oven at 200C.
Separate eggs, beat 125g butter and egg yolks and egg liqueur until fluffy.
Mix flour, pudding powder and baking powder, strain it little by little into the egg mixture and stir it well.
Also mix 250g icing sugar into it.
Beat egg whites until stiff and fold it carefully into the dough.
Fill dough into greased springform pan.
Bake it in a preheated oven at 200C for about 60 minutes.
Take it out, let it cool off, brush it with the remaining butter and sprinkle with icing sugar.