Lemon and polenta cake
柠檬粟米蛋糕
6oz/175g unsalted butter, softened
175克无盐黄油，室温下放软
8oz/225g caster sugar
225克糖霜
7oz/200g ground almonds
200克杏仁粉
3 large eggs
三枚大鸡蛋
Zest of 4 whole lemons and juice of 1
4个柠檬的皮，切碎；一个柠檬的汁
4oz/115g polenta
115克粟米粉/玉米粉
1 tsp baking powder
一茶匙泡打粉（发酵用）
Pinch of salt
一小辍盐
* Preheat the oven to 325F/160C/gas mark 3. Line an 8" (20cm) tin with baking parchment.
预热烤箱至160摄氏度，将烤箱纸铺在一个8寸的蛋糕模具上。
* Put all the ingredients in a food processor and whizz to a smooth batter.
将所有材料混合搅匀。
* Spoon into the lined tin and bake for 45-50 minutes, until a skewer pushed into the centre comes out with no uncooked batter on it. Cool in the tin.
将混合物倒入模具，烘烤45-50分钟。最后可以用叉子伸入蛋糕中间试探，如果没有湿湿的、没烤熟的部分，就好了。然后等它在模具中冷却，就可以开动啦！