Ingredients
1 bottle (1 liter) best-quality vodka
20 fresh shiso leaves, plus 8 more for garnish
1/4 cup plus 2 tablespoons dry vermouth
1/4 cup plus 1 tablespoon fresh lime juice
Small ice cubes
Preparation
Combine vodka and shiso in a large bowl. Cover, and let stand overnight at room temperature. Strain into a pitcher, and discard shiso.
Add vermouth and lime juice to vodka. Fill a cocktail shaker halfway with ice. Add 1/2 cup vodka mixture, and shake for 45 seconds. Pour into a chilled martini glass, and garnish with a shiso leaf. Repeat, and serve immediately.