You need copious quantities of mint for this and a sugar syrup base.

Ingredients

• 2 cups sugar
• 1 cup water
• Bourbon whiskey
• 15-20 mint leaves per person
• crushed ice
• water or soda water

Method

1. In a saucepan, put the sugar and water and stir over a medium heat until dissolved. Bring to the boil and simmer for 5 minutes. Cool and refrigerate.
2. Put 15-20 mint leaves and 3 tablespoons of the sugar syrup in the bottom of each tumbler. Pound together with the handle of a wooden spoon until they become a mild green colour and very sweet smelling. Add a good dash of boubon and fill the glass up with crushed ice and a drop of water or soda water. Garnish with a lemon slice.