Preheat grill to medium or oven to 450 degree F
Center half of ribs in single layer on each sheet of foil. Combine brown sugar and seasonings; rub over ribs, turning to coat evenly.
Bring up foil sides. Double fold top and one end to seal packet. Through open end, add 1/4 cup water. Double fold remaining end, leaving room for heat circulation inside. Repeat to make two packets.
Gril 45 to 60 minutes in covered grill. Remove foil; place ribs on grill OR BAKE 45-60 minutes on a cookie sheet in oven. Remove foil; place ribs on a broiler pan.
Brush ribs with barbecue sauce. Continue grilling or broiling 4-5 inches from broiler, 10-15 minutes, brushing with sauce and turning every 5 minutes.
Calories 562
Fat 40g