1 1/2 cups plain flour, 1/2 cup cornflour, 1 cup butter, 1/2 cup icing sugar, 2 teaspoons vanilla essence. Mix and form log. cover with cling film. Refrigerate for 1 hour. Bake for 8-10 mins at 200 deg C.

This is the basic recipe. makes yummo melt in mouth shortbread.
Variations: I add chopped glace cherries. Looks very X-masy!
Cut into fingers and dip in melted choc.