Preheat the oven to 180ºC/350ºF/Gas mark 4

Cream the butter and sugar together in a bowl and then beat in the egg yolks one at a time

Sift the flour and the spice into another bowl then add to the butter mixture

Stir in the currants and add milk if necessary to form a soft dough

Form the dough into flat cakes and mark each with a cross

Put on a greased baking sheet and bake for 10-15 minutes until golden brown