Combine all ingredients in mixing glass with ice and stir until chilled.
2.
Strain into a chilled coupe
3.
If desired, express a lemon twist over the drink, then use as a garnish.
Notes
The Alaska cocktail first appeared in print in 1913, calling for Old Tom gin, yellow Chartreuse, and a dash of orange bitters. A later version, in the 1930 The Savoy Cocktail Book, calls for London dry gin and skips the bitters.