By Jamie Roberts & Ayeesha Walsh Meghan Markle channeled her inner Nigella Lawson as she learned how to cook traditional Afghan food. The Duchess Of Sussex was joined by a group of 15 women who resettled from Afghanistan to the United States as part of her Archewell Foundation scheme The Welcome Project. The charitable organisation which Meghan founded alongside her husband Prince Harry previously revealed via their website that Meghan had spent an “evening of cooking and storytelling” on February 10 with the Southern California branch of the Welcome Project. A clip of the encounter has now be…