By Fiona Cairns
A true citrus hit, laced with a lemon syrup and with a creamy lemon curd filling. Of course, you can always omit the meringue tor a simpler, equally delicious cake.
To make the meringues, preheat the oven to 140°C/fan 130°C/275°F/gas mark 1. Line a baking tray with baking parchment. Place the egg whites and icing sugar in a scrupulously clean and dry metal or glass bowl and, using an ele