Ingredients 食材

·4 lbs large potatoes
4磅大土豆

·1/4 pint milk (warmed)
4品脱温牛奶

·2 oz butter
2盎司黄油

·1 large egg
1个大鸡蛋

·Salt and pepper
盐和胡椒粉

·Parsley sprigs and lemon slices, for garnish
用作装饰的西芹和柠檬片

To prepare 步骤

·Peel potatoes, cut into large chunks, boil in salted water until tender. Drain and mash until smooth.
将土豆削皮，切成大块，放入盐水中煮至变软，取出滤干后捣成泥。

·Beat in the warm milk, most of the butter and the egg yolk. Season to taste.
加入温牛奶、大部分黄油和蛋黄并调味。

·Lightly whisk the egg white until it just holds its shape. Fold into the potato mixture.
轻轻搅动蛋清直到成形，拌入土豆混合物中。

·Spoon the mixture into a greased 5-pint shallow ovenproof dish. Dot the top with the remaining butter and sprinkle with ground black pepper.
用勺子将调好的混合物放入5品脱的耐热浅盘中，将剩下的黄油点在顶部，并撒上黑胡椒。

·Place on lower shelf of oven and bake at 200ºC for about 45 minutes.
将浅盘放在烤箱的下层架子上，200ºC的温度下烤约45分钟即可。

·Garnish.
最后洒上装饰用配菜。