Super snack, great favourite with young and old alike.
- Pre-heat oven to 350F, Gas Mark 4, 180C
- Sieve together the flour and baking powder
- Rub the butter into the flour and add the sugar
- Add the beaten egg yolk to the flour mixture and knead into a stiff dough
- On a lightly floured board, roll the dough out rather thinly
- Cut into biscuits and bake in the oven for 20-30 minutes