3 oz. dry gin
1 oz. dry vermouth
Orange bitters (optional)
Lemon twist, or 1-3 pitted/stuffed green olives/cocktail onions for garnish
Combine gin and vermouth in a mixing glass filled with ice cubes. Stir vigorously, then strain into a chilled martini glass. If using, add a dash of bitters. Garnish with lemon twist, skewered olives or onions, as preferred.