Overview: Mary McCartney gives a master class in her signature-style easy cooking for her friend Mark Ronson, the supercool DJ, musician and producer. Mary makes Moreish Mushroom Salad Cups, a stunning Shortcut Patisserie Apple Tart and Chili Sweetcorn Fritters. She also makes her mom's much-loved Classic Marinara Sauce, the secret ingredient in the Meatless Marinara Sub Sandwiches that she teaches Mark to make when he drops by to cook and eat.