Ingredients
Method
1.Preheat oven to 160°C (140°C fan-forced). Grease two oven trays.
2.Beat butter and caster sugar in medium bowl with electric mixer until light and fluffy. In two batches, stir in water and sifted flours. Turn onto a lightly-floured surface and knead until smooth.
3.Divide dough in two portions. Shape each portion, on separate trays, into 20cm rounds. Mark each round into 12 wedges; prick with fork. Pinch edges of rounds with fingers and sprinkle with white sugar.
4.Bake shortbread about 40 minutes. Stand on trays for 5 minutes. Using sharp knife, cut into wedges along marked lines. Cool on trays.