In a large bowl, mix together the onions, garlic, thyme, nutmeg, cinnamon, allspice, cumin, coriander, chestnuts, parsley, sage, rosemary and olive oil. Season with salt and pepper to taste.
Stuff the duck with the chestnut stuffing and truss the legs with kitchen string.
Place the duck in a roasting pan and roast in the preheated oven for 90 minutes, or until the internal temperature of the duck is 165 degrees F.
Remove the duck from the oven and let rest for 10 minutes before carving.
Interesting Facts
Chestnuts are a great source of vitamins and minerals, including vitamin C, potassium and magnesium.
Duck is a leaner and darker meat than chicken, making it a great source of protein.
Trussing the legs of the duck helps to keep the stuffing inside the bird during cooking.