1 part Rittenhouse 100 Proof rye whiskey
1 part Antica Formula vermouth
1 part Rémy Martin VSOP cognac
1 splash Benedictine
Combine the whiskey, vermouth, cognac, and Benedictine with the bitters. Pour the mixture into a 1-liter glass bottle for 2 weeks with a wooden stave of American oak cut in 2 different ways, to ensure the liquid is exposed to both charred and uncharred wood. Remove from the bottle, strain and serve.