Bartender Sam Johnson turns the classic martini on its head, swapping dry sherry for vermouth and inverting its proportion to the gin. The result is briny and bone-dry and an excellent aperitif. Slideshow: More Gin Recipes
Combine all ingredients into a stirring glass, and fill glass with ice. Stir until outside of glass is frosty, about 30 seconds. Strain into a cocktail glass, and garnish with lemon twist.