1. Heat the oven to warm, 160°C, gas mark 3.
2. Mix the flour, sugar, and spice together.
3. Rub in the margarine until the mixture binds together and makes a pliable paste.
4. Roll out on a floured board to 5 mm thick, and cut into rounds with a 6cm round cutter.
5. Place on a greased baking sheet. Bake for about 20 minutes until very pale golden brown.