Alderney has an annual event called “Milk-a-Punch Sunday” and I’ve specifically worked my schedule around being able to be there, plus a day on the ground on Monday to recover.

http://www.alderney.gov.gg/index.php/pid/16/more_info/7

This long-observed tradition is a drink made of milk and egg and given a little kick by a healthy tot of rum, offered by every publican on the island and often imaginatively adapted to their own recipe. The origin of the tradition is suitably blurred, but folklore has it that