SUPER-FLAKY
BUTTERMILK
BISCUITS
MAKES 8 BISCUITS
½ cup buttermilk
½ cup sour cream
10 ounces (2 cups) unbleached all-purpose flour, plus
additional for dusting
1 tablespoon baking powder
¼ teaspoon baking soda
1½ teaspoons kosher salt
8 tablespoons (1 stick) cold unsalted butter, cut into ¼-