- time (10' prep + 25' baking)
- 300g baking chocolate
- 150g sugar
- 150g flour
- 100g butter
- 50g oil, hazelnut or walnut (from the original recipe, I keep meaning to try, forgetting, and substituting 50g or so of extra butter instead)
- vanilla extract (or put some vanilla sugar with the sugar)
- 2 eggs