Step 1

Place the basil leaves in a cocktail shaker and add the simple syrup and lime juice. Muddle the basil leaves with a muddler or the bottom of a wooden spoon to release the oils.

Step 2

Add the gin and St Germain and fill the shaker with ice and shake vigorously for 30 seconds.

Step 3

Using a strainer, pour the mixture into a cocktail glass. Garnish with a sprig of Thai Basil.