For best flavor, head to the farmers' market for peak-season fruit. Freeze in a single layer on a parchment-lined rimmed baking sheet until solid.
Recipe information
Yield
4 Servings
Ingredients
2
cups blackberries, frozen
1½
cups raspberries, frozen
6
oz. light rum
4
oz. simple syrup
1½
oz. fresh lime juice
Blackberries (for serving; optional)
Need to make a substitution?
Preparation
Purée blackberries, raspberries, rum, simple syrup, lime juice, and 2 cups ice in a blender until smooth and very thick (mixture will loosen immediately once poured). Divide among glasses and garnish with blackberries, if desired.