Clay- Pot Orange Chicken

presoak pot, top and bottom, in water for 15 minutes. Wash chicken inside and out under cold running water. Pat dry and rub inside of chicken with salt, pepper, and garlic. Stuff with orange slices, peeled. Place chicken in pot breast side down. Grate orange rind and sprinkle over chicken. Add orange juice, soy sauce, ginger, allspice, and brown sugar. Place covered pot in cold oven. Turn temperature to 480 degrees (yes, 480 degrees), and cook 90 minutes. At eighty minutes, remove from the oven and pour liquid into a saucepan. Return the pot, uncoverd, to the oven to brown the chicken. Bring the sauce to a boil and thicken with arrowroot.