Flannel is a cocktail made with Cognac, Apple Cider, Orange Juice, and Allspice Dram. It has a strong apple cider flavor, with a hint of orange and allspice. The history of Flannel is unclear, but it is believed to date back to the early 19th century. If you are looking for a tasty new cocktail to try, give Flannel a try! You won't be disappointed.