Combine softened butter with confectioners' sugar, egg whites and flour alternately. Whip and stir in yellow food colouring. Spread onto a reliefed silicone baking mat, using a pallet knife. Freeze.
Combine softened butter with confectioners' sugar, egg whites and flour alternately. Whip and stir in yellow food colouring. Spread onto a reliefed silicone baking mat, using a pallet knife. Freeze.
混合奶油、细沙糖、蛋白及面粉后再搅拌加入黄色色素。将面团铺在烤盘上入冷冻库冷冻。