Serves 8


  • 1 medium seedless watermelon, halved
  • 1 pint blackberries
  • 1 cup vodka
  • 1 cup St-Germain elderflower liqueur
  • ¼ cup lime juice (from 2 to 3 limes), plus lime slices for garnish
  • 1 (750-milliliter) bottle Prosecco, chilled
  • Mint sprigs, for garnish


    Active time: 30 minutes
    Total time: 2 hours 30 minutes (including freezing time)

    Line a large rimmed baking sheet with parchment paper. Remove and discard watermelon rind, and cut flesh to make 24 (1") cubes. Arrange watermelon cubes and blackberries in a single layer on prepared baking sheet and freeze until completely solid, about 2 hours.

    When ready to serve, in a 2-quart pitcher, stir together vodka, St-Germain and lime juice. Add frozen fruit and Prosecco, and stir gently to combine. Ladle or pour into cocktail glasses, garnish with lime slices and mint and serve immediately.

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