Preheat oven to 200 C / 400 F/ Gas 6. 

In a small frying pan dry fry your bacon until crispy

In a bowl tip in the flour, mustard powder & black pepper, next rub in the butter cubes using your fingers

Then add the grated cheese, fried bacon & stir

Add the milk and bring together until you have a dough - DO NOT OVERWORK!!!

Finally  roll out onto a floured surface, (should be 2.5 cm thick / 1 inch min) cut out 6 scones

Pop on a greased baking tray brush with milk (not down the sides) & sprinkle with cheese and bake for approx. 20 mins (ish) - until nice and golden brown. (Less time required for fan assisted oven - 15 minutes)