Put the speculoos biscuits in a freezer bag and chop them up with the help of a rolling pin. Peel and core the pears and cut into cubes.
Mix the softened butter with the sugar and vanilla sugar until frothy. Then gradually stir in the eggs, then add the flour, milk and baking powder and mix well.
Now stir in the crumbled speculoos biscuits, cocoa and cinnamon. Melt the milk chocolate and stir in the batter. Finally, carefully add the pear cubes rolled in flour and the chocolate flakes.
Put the mixture in a well-greased Gugelhupf pan and bake in the preheated oven at approx. 160 ° C - 180 ° C for approx. 45-60 minutes. Please do not forget the chopstick sample.
When the cake has cooled, turn it out and sprinkle with powdered sugar. You could also decorate with couverture instead.