Preheat the oven to 425°F (220°C)
Mix 2 cups all-purpose flour, 1 tablespoon baking powder, 1 teaspoon salt, and 1 tablespoon sugar
Cut in 1/2 cup cold butter until the mixture looks crumbly
Add 3/4 cup cold milk or buttermilk
Stir just until the dough comes together
Turn the dough onto a floured surface
Gently knead 4 to 5 times
Pat the dough to about 1/2-inch thickness
Cut out biscuits with a round cutter
Place biscuits on a baking sheet
Bake for 12 to 15 minutes until golden brown
Serve warm