1) In a small bowl, stir together all ingredients except the ribs. Rub spice mixture all over the ribs. Cover and refrigerate ribs for at least 2 hours and up to 24 hours.
2) Preheat oven to 220C/Gas 8.
3) Place the ribs in a roasting pan. Bake for 1-2 hours, until meat easily pulls off the bones.