Brian Turner and Mark Sargeant prove that they can cook perfect roasts whatever the occasion. It's roast beef all round as Brian and Mark sweat it out in the kitchen to create the perfect Sunday lunch. But bearing in mind his Yorkshire background, how can anyone beat Brian's Yorkshire puds? It's a tough battle between Mark's lemon and herb roast chicken, and Brian's lamb pencil fillets with mustard and balsamic. Mark opts for an elegant roast duck breast on a bed of Jerusalem artichoke risotto, while Brian goes for roast rack of veal with a soy glaze and creamy leeks.