butter

Been making some lemon curd to take down my mum at the weekend. All you need is: 4 unwaxed lemons, zest and juice (3 lemons if they are large unless you like VERY sharp curd) 200g/7oz Caster sugar 100g/3½oz unsalted butter cut into cubes 3 free-range eggs, plus 1 free-range egg yolk Put the...