M&S Chicken & Gravy Shortcrust Pastry Pie Butter enriched shortcrust pastry pie filled with succulent British chicken in a roast chicken gravy. Serve with triple cooked chips and tenderstem broccoli. Oven cooks in 25 minutes. Serves 1. 100% of M&S Select Farms products meet our high quality and environmental protection standards. We know and trust all our Select Farmers, so you can trust M&S for your fresh food.