In a medium-sized bowl, whisk together the dry ingredients, including the grated cheese, until everything is evenly distributed. Using a pastry fork or blender, your fingers or an electric mixer, cut in the butter (or shortening) and cream cheese, mixing
Turn the dough out onto a lightly floured work surface and fold it over a few times, so that you can be sure it's totally cohesive. Pat it into an 8-inch square, 3/4-inch thick. Cut it into 2-inch squares, or use a 2-inch round cutter. Place the biscuits
Bake the biscuits in a preheated 425°F oven for 16 to 18 minutes, until they're lightly browned. Serve them warm, or at room temperature.