225g (8oz) flour
1/4 t salt
125g (4oz) butter
1 t baking powder
Sift flour and salt, rub in butter and baking powder, and mix to a very stiff dough with a little water. Roll out lightly and handle as little as possible. Bake at 200C for about 10 to 15 minutes.
Source: Edmonds Cook Book, page 60