Preheat your oven to 220°C (425°F) and line a baking sheet with parchment paper.
In a large bowl, whisk together the flour, baking powder, and salt.
Add the cold butter to the dry ingredients and use a pastry cutter or your fingertips to cut it into the flour until the mixture resembles coarse crumbs.
Stir in the grated cheddar cheese until evenly distributed.
Make a well in the centre of the mixture and pour in the milk.
Stir until the dough comes together.
Turn the dough out onto a lightly floured surface and knead it a few times until it becomes smooth.
Roll out the dough to a thickness of about 1/2 inch (1.3 cm) and use a biscuit cutter to cut out biscuits.
Place the biscuits on the prepared baking sheet, leaving a small gap between them.
Bake for 12-15 minutes, or until the biscuits are golden brown and cooked through.
Remove from the oven and let the biscuits cool slightly before serving.
Enjoy these warm and cheesy biscuits on their own or serve them with your favourite spreads or toppings.