Salt and pepper top and bottom of the ribs. Place in a baking pan, add 1/4 cup of water mixed with a tablespoon of barbecue sauce and cover with aluminum foil. Place ribs in a 350 degree oven for about 2 hours. When ribs are tender, brush with barbecue sauce and grill or brown under a broiler.
To make sauce, sauté onions until soft and then add barbecue sauce. Simmer until thick.