Cheese scones

A savoury recipe. Thought I'd try a few more of these. :)
You will need:
175g Self rasing flour
Pinch of salt and pepper
1/2 tsp mustard powder
25g margarine
75g grated cheese for scone
35g grated cheese for top
1 egg
1 tbsp milk

1 - Heat oven to 220c/gas mark 7. Gease a baking tray
2 - Mix flour, mustard powder and salt and pepper. Rub in Marge using your hands.
3 - Stir in cheese.

4 - Add egg and milk, mixing into a dough.
5 - Roll out to a round shape approx 1/2 inch thick. Cut into triangles
6 - Place onto baking tray and sprinkle with cheese. Bake for about 10-15 minutes untill brown.