unsalted butter is one of the best parts of the lemon curd—it makes it velvety, silky, and shiny. • The Meringue: This ...

You could make the pastry case and lemon filling in advance then whip up the meringue just before baking this classic dessert. Preheat the oven to 200C/400F/Gas 6. Grease a 20cm/8in fluted flan tin.

Often egg yolks are left over after making meringue, but here they’re used to make lemon curd and to give a luxurious filling. This recipe makes more lemon curd than you need to fill the roulade.