Eels, slimy and snake-like, aren’t the world’s most loveable creatures. Neither do they seem like an obvious dinner choice, with their slightly rubbery texture, high fat content and an exceptionally pungent taste. But at The Alt Hamburger Aalspeicher, a traditional family-run restaurant in the German city of Hamburg, eels are seen as a delicacy. Anja Kueppers has the details.