Food & Drink Tweet by @BrewDogSheff Published Dec. 1 2021 12:56 PM We’re kicking off our Christmas countdown with a tasty treat from Amundsen, Upside Down Christmas Cake is a barrel aged imperial pastry stout that is sure to give you all the festive feels🎅🏼 🎂 #12beersofchristmas #brewdogsheff #christmastreats— BrewDog Sheffield (@BrewDogSheff) December 01, 2021 12:56