Slow cooked duck legs with port & orange sauce

British Duck Legs (76%) Port and Orange Sauce (22%) Cracked Black Pepper Sea Salt. • 4 PORT AND ORANGE SAUCE contains Water Onions Chicken Stock (Water Chicken Bones Onions Carrots Leeks Parsley Garlic White Peppercorns Bay Leaves) Ruby Port (contains Sulphites). Duck Stock (Water Duck Bones Carrots Onions Tomato Purée. Dried Oregano Dried Thyme Ground Black Pepper Bay Leaves Garlic) Concentrated Orange Juice Cornflour Unsalted Butter (Milk) Rapeseed Oil Demerara Sugar Sugar Salt Roasted Garlic Purée Dried Porcini Mushrooms Concentrated Redcurrant Juice Orange Zest Thyme