- 1 1/2 lb ripe peaches (about 5 medium) quartered and pitted (4 cups)
- 2 cups lowfat buttermilk, chilled
- 1 cup ice cubes
- 1/4 cup sugar, plus more to taste
- 1/4 teaspoon ground cardamom
- 1/8 teaspoon ground cumin
- 1/8 teaspoon salt
- 1/2 cup peach liqueur (optional)
- 2 tablespoons shelled unsalted pistachios, coarsely chopped
- In a blender, puree peaches, buttermilk, ice cubes, sugar, cardamom, cumin, salt and liqueur, if desired, until smooth and frothy. Add sugar to taste. Divide among 4 glasses and top with pistachios. Serve immediately.