Mix the butter with the sifted sugar, vanilla sugar and rum until frothy. Add egg yolks one at a time and stir in. Beat egg whites into snow. Mix the flour, baking powder and cornstarch, sieve and mix alternately with the egg whites and cream into the dough.
Mix 4 tablespoon cherry juice, sugar and cornstarch and heat. Let cool and mix with the pitted and halved cherries. Stir into the batter.
Pour the dough into a greased, floured Gugelhupf pan and bake in the preheated oven at 180 ° C for about 60 minutes.
Let the Gugelhupf cool down and cover with chocolate glaze,
Decorate the chocolate flakes and compote cherries.