Jellied Eels are a traditional English dish that originated in London’s East End in the eighteenth century and was sold through numerous eel, pie, and mash houses. The European Eel was common in the Thames at the time and the eel became a staple food for London’s east end Eels are low in fat, so they are considered healthy food. They are high in protein. This makes them a great option for those who have to watch their weight! Eels are also low in cholesterol which is good for the heart. The liver of the eel contains a lot of Vitamin A and essential amino acids. In Asia, there’s a belief in eating eels to retain youthfulness.