Combine bourbon, mint simple syrup and mint pineapple puree together and shake or stir well. Pour over crushed iced and serve with extra mint leaves.
mint simple syrup
Combine sugar, mint and water together in a small saucepan and heat over high heat until boiling, stirring constantly. Reduce heat to low and cook for another minute or so, then set aside to cool completely. Remove mint before using. You can do this ahead of time and store it in the fridge!
pineapple mint puree
In a food processor or blender, combine pineapple and mint simple syrup until pureed.