Mix the butter with the sifted sugar, vanilla sugar, rum and caramel syrup until frothy. Gradually stir in the egg yolks. Sift the flour and baking powder into the yolk mixture, alternating with the pear compote juice and cream.
Beat the egg whites into snow and fold into the dough.
Dust the diced pear pieces with flour and stir into the batter.
Grease and flour the Gugelhupfform, fill in the dough and bake in the preheated oven at 180 ° C for about 60 minutes.
Let the Gugelhupf cool, turn it out and top it with whipped cream