Ingredients: Served: On the rocks: poured over ice. Drinkware: Silver cup or highball glass. Method: In a highball glass gently muddle the mint, sugar and water. Fill the glass with cracked ice, add Bourbon and stir well until the glass is well frosted. Garnish with a mint sprig. 6 cL (2.0 US fl oz) bourbon whiskey, 4 mint leaves, 1 teaspoon powdered sugar, 2 teaspoons water