1. Melt 150g chocolate with 150g butter.
2. Mix 130g sugar and 4 eggs until frothy, then pour in melted chocolate.
3. Add 70g flour. Mix well.
4. Pour the mixture into an 18cm cake tin. Place in the freezer for 18 minutes before placing 4 Kinder Riegel Chocolate Sticks in the batter.
5. Bake for 35 min at 160°C. Leave to cool.