Group 2: for children weighing 15 - 25 kgs (33 - 55 lbs), roughly 4 to 6 years. Booster seats that only fit into Group 2 are less common. Most are group 2 and 3, or groups 1, 2 and 3. Groups 2 & 3: for children weighing 15 - 36 kg (33 - 79 lbs), roughly 4 to 11 years.
Broil the ribs for about 5 minutes, until the sugar in the dry rub is bubbling and the ribs are evenly browned. Bake the ribs: Set the oven to 300Â°F. Move the ribs to an oven rack in the middle of the oven. Roast for 2 1/2 to 3 hours for spare ribs or 1 1/2 to 2 hours for baby back ribs. Halfway through cooking, cover the ribs with aluminum foil to protect them from drying out.
Instructions. Remove the white membrane from the ribs if it remains attached. Trim off excess fat from the spareribs with a sharp knife. Discard the excess fat. Cut the ribs apart with a sharp knife. Fill a large pot with water and bring it to a boil. Place the ribs in the boiling water.Boil the ribs for 30 to 60 minutes to remove excess fat and tenderize the meat. Remove the pot from the heat source. Remove the ribs from the boiling water with tongs. Pat the ribs dry with paper towels.Coat the ribs with dry rub or barbecue sauce.nstructions. Remove the white membrane from the ribs if it remains attached. Trim off excess fat from the spareribs with a sharp knife. Discard the excess fat. Cut the ribs apart with a sharp knife. Fill a large pot with water and bring it to a boil. Place the ribs in the boiling water.