It turns out , to Ian 's great delight , that Aachen 's local contribution to the culinary world is black pudding .
Our waitress was somewhat at a loss to understand why a cyclist would want to order alcohol - free beer .
It turns out , to Ian 's great delight , that Aachen 's local contribution to the culinary world is black pudding , although our waitress was somewhat at a loss to understand why a cyclist would want to order alcohol - free beer .