Rye, sherry, Grand Marnier and bitters. Sounds like a good combo.
The Old(er) Fashioned – Classic Cocktail | Liquor.com
Old Fashioned 101
The Perfect Old Fashioned
An iPhone-optimized site that lists recipes for every drink consumed by James Bond, sorted by film.
A very simple recipe of two ingredients: bourbon and peppermint schanpps. This sounds like an ideal winter drink.