Combine all ingredients in a cocktail shaker filled with clean ice (and a few mint leaves if you have them). Shake well for 10 seconds or longer. Strain through a fine mesh strainer. Garnish with crushed pink peppercorns or a mint leaf.
Strain drink into glass and garnish with Autumn Spice bitters.
This is the James Bond martini, named for Vesper Lynd, the doomed love interest in Casino Royale.
The classic Martini only has 2 ingredients, so it’s particularly important to use the best you can afford.