* Rack Of ribs should be cut lengthwise across the bones. Have the butcher do this with his meat saw.
Cook and stir onion in oil in 2-quart saucepan 2 minutes. Stir in ground red chilies, juniper berries, garlic and salt. Cover and cook 5 minutes, stirring occasionally. Stir in chocolate until melted. Pour water, vinegar and tomato paste into food processor work bowl fitted with steel blade or into a blender container. Add onion mixture and sugar; cover and process until well blended. Heat oven to 375 Degrees F. Cut between pork back ribs to separate. Place in a single layer in roasting pan, pour sauce evenly over pork. Bake uncovered 30 minutes; turn pork. Bake until done, about 30 minutes longer.