M&S Collection Slow Cooked Short Rib of Beef British short on the bone rib of beef seasoned in a rub of sea salt, cracked black pepper, garlic, bay leaf and thyme and slow cooked for four hours to give exceptional tenderness and succulence. Oven cook for 40 minutes. Serves 2. 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.