INGREDIENTS
1 1/3 cups
flour
1/2 cup
custard powder (Bird’s Custard Powder-available on Amazon and in British shops)
1 1/2 sticks
butter, at room temperature
1/2 cup
powdered (icing) sugar
1/4 tsp
baking soda
1/4 stick
butter
1/2 cup
powdered (icing) sugar
1
few drops of vanilla extract