Butter Biscuits - Vanilla Icing

Preheat the oven to 160C (315F). Line a baking tray with baking paper.
Beat together 1 stick butter (113 gm) and ½ cup sugar until creamy. Add 1 egg and ¼ tsp vanilla essence and beat well. Sift 1-cup plain flour and 1-cup self-raising flour (add 1½ tsp baking powder and ¼ tsp of salt in 1 cup flour) and fold into form soft dough.
Turn out onto a sheet of baking paper, cover with another sheet and roll out to ¼ inch thick. Using biscuit cutters cut out shapes and place on the tray.
Bake in batches at 325 F for 20-minutes, or until lightly golden. Cool on a wire rack, then spread with Vanilla Icing. Makes about 15 biscuits.

Vanilla Icing:
Sift 1¼ cup icing sugar in a bowl. Add 1 tbsp cubed and softened butter, ½ tsp vanilla essence and 1-2 tbsp boiling water. Stir until the mixture is smooth and spreadable. Spread or pipe the icing on biscuits.