Fill a red wine glass to the top with ice cubes
Make a wide cut across a lemon grass stalk and several smaller cuts and lower the stalk into the glass
Pour in 0.35 oz of lime juice, 0.75 oz of coconut liqueur and 1 oz of silver tequila
Add 1 dash of Angostura bitters
Top up with Sprite and stir gently with the lemon grass stalk