Step 1: Heat the over at 190C/375F.
Step 2: Beat the butter and sugar together until pale.
Step 3: Stir in the flour. Turn on to a work surface and roll out until the mixture is 1cm thick.
Step 4: Cut into fingers and sprinkle with sugar. Put on a baking tray and bake in the oven 15-20 minutes until pale golden.
Step 6: Hopee this helps your cookery lesson go great! x