Turn into a cocktail by adding 4 Tbsp. white rum. *Click here for the Coconut Kaffir Simple Syrup recipe.
Add syrup and pineapple to a blender or food processor and puree until smooth and foamy. Add crushed ice and blend until slushy. Serve immediately.
Serve in chilled glasses topped with toasted coconut and garnished with fresh pineapple slices.