Add the nutmeg, lime and lemon zest, and beat for a few seconds ... Butter and lightly flour a 1.2 litre/2 pint pudding basin. Spoon the treacle (or golden syrup) into the bottom of the basin ...

Mary Berry lets us into her secrets for a classic lemon tart. It can be made up to two days in advance, but don’t decorate it until just before serving. To make the pastry, place the flour ...