*You can use any kind of milk, from skim right up through whipping cream. The richer the milk, the richer and more tender your biscuit will be.
In a medium-sized mixing bowl, whisk together the flour, salt, sugar and baking powder. Cut the butter into pats, and work the butter and shortening into the flour, using a pastry blender, mixer (you can also use a food processor, up to this point), or yo
Measure the milk or cream into a liquid measuring cup, add the egg, and whisk till smooth. Add this to the flour/fat mixture, and stir just to combine; as soon as you no longer see areas that are very obviously wetter than other areas, stop mixing and dum
Remove the dough from the freezer, unwrap it, and set it on a work surface. It'll be very stiff, but still soft enough to cut with a sharp knife, sharpened dough scraper or rolling cutter (pizza cutter). Cut the dough into nine 2-inch squares, and place t
Bake the biscuits in a preheated 400°F oven for 16 minutes, or until they're a light, golden brown. Remove them from the oven, and serve hot, warm or at room temperature.