Mary Berry's creamy lemon tart is so simple to make ... Remove from the heat and leave to stand for 5 minutes. Add the lemon juice and stir until the mixture has thickened slightly.

For this recipe you will need a 23cm/9in springform tin, an electric mixer and a 2 litre/3½ pint bowl or a deep 23cm/9in diameter pie dish. Using a mandoline or a very sharp knife, slice the ...