Preheat oven to 400. using mixer with paddle attachment, mix flour, baking powder, pepper and salt. With mixer running, gradually add butter, mixing til dough is crumbly and there are flour butter bits about the size of small peas. Add cheese and mix til just blended. (This can also be done by hand. Stir together flour, baking powder, pepper, and salt in large bowl. Gradually cut in butter with pastry blender or two knives til mixture resembles small peas. Stir in the cheese).