Preheat oven to 450 degrees. Spray a nonstick baking sheet with vegetable cooking spray. Set aside. In a large bowl, sift together flour, baking powder, baking soda, and salt. using a pastry blender or two knives, cut in butter until coarse crumbs form. Stir in buttermilk until soft dough forms. On a lightly floured surface, roll out dough to a 1/4 inch thickness. Using a 2 1/2 inch biscuit cutter, cut out biscuits. Re-roll trimmings; cut out more biscuits. Place on prepared baking sheet.
|