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Fresh from the Lab: Bubbling Cocktails

Test friends' courage with this green experiment turned fizzy drink.

bubbling cocktails

Photography: Johnny Miller

Source: Martha Stewart Living, October 2008


The beverages (actually kiwi-based refreshers) look pleasingly poisonous in any glass, but chemistry flasks -- available online from lab suppliers for a few dollars apiece -- suit them best.


  • Glass measuring cup

  • 1 cup of boiling water

  • 1 cup of sugar

  • 2 cups of packed mint leaves

  • 6 kiwis

  • Blender

  • Cheesecloth

  • Fine sieve

  • Pitcher

  • Ice

  • 1 liter of sparkling water or club soda

  • Chemistry flasks

  • Straws


  1. In a glass measuring cup, pour 1 cup boiling water over 1 cup sugar. Stir until sugar has dissolved; refrigerate until cool.

  2. Puree 2 cups packed mint leaves (1 small bunch) with 1/4 cup cooled syrup in a blender. Add 6 peeled, quartered kiwis, and blend until just smooth. Add remaining syrup.

  3. Pour through a cheesecloth-lined fine sieve into a pitcher; discard solids. Stir in ice and 1 liter sparkling water or club soda. (For a cocktail version, add 1 cup vodka.) Pour into flasks, and serve with straws. Makes 8 drinks.

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