Mix the dry ingredients

• Add the flour, baking powder, sugar and salt to a large bowl.
• Give everything a good mix until evenly combined.

Add the grated frozen butter

• Add the frozen grated butter to the flour mixture.
• Mix with your hands until combined.

Add the milk and form the dough

• Pour in the milk.
• Stir with a rough mix just until everything comes together.

Fold the dough

• Dust your work surface with a little flour.
• Bring the dough together and fold it over 6 to 7 times to create flaky layers.

Cut out the biscuits

• Cut out the biscuits with a cutter or a jar.
• Place them in a greased cast iron skillet or pan with the sides touching.
• Flatten the leftover dough and add it to the pan.

Bake the biscuits

• Bake at 425°F until nice and golden on top.

Brush with butter and serve

• Brush the tops of the warm biscuits with butter.
• Serve with homemade jam.