Step 1: Preheat your oven to 425°F (220°C).
Step 2: In a large mixing bowl, combine the flour, baking powder, and salt. Whisk together until well blended.
Step 3: Cut the cold butter into the flour mixture until it resembles coarse crumbs.
Step 4: Pour in the cold milk and gently stir until just combined.
Step 5: Turn the dough out onto a lightly floured surface and pat it into a rectangle about 1-inch thick.
Step 6: Cut the biscuits into circles or squares without twisting the cutter.
Step 7: Place the cut biscuits on a baking sheet and bake for 12-15 minutes until golden brown.
Step 8: Serve warm with butter, jam, or your favorite toppings.