Celebrate Mary Berry's 90th birthday in style with a sumptuous slice of Lemon Meringue Pie from her new book, Mary 90-My Very Best Recipes (BBC Books, £28). Both indulgent and refreshing, it's the ...

Such a favourite dessert for so many, the added lime gives it an extra zing,” says Mary Berry. “We have made this in a tranche tin but it would also fit in a deep 23cm (9in) round loose-bottomed flan ...