Nigella Lawson has her very own twist on rocky road chocolate bars, declaring: "Out go the Rich Tea biscuits and in come Amaretti," referring to the delicious ingredients in her own recipe.

"Out go the Rich Tea biscuits and in come amaretti," Nigella Lawson said of her Christmassy ... bars that have a good crunch. Rocky road chocolate bar recipe Makes: 24 bars Ingredients 250g ...