Chop onion, cube potatoes, slice carrots. Combine steak sauce, bouillon cubes, salt, pepper, sugar and water in slow cooker;
stir well. Add remaining ingredients except flour;
mix carefully. Cover and cook on LOW setting for 7 to 10 hours; on high setting for 4 hours. Before serving, remove chicken and bone, and return meat to slow cooker;
stir well. To thicken gravy, make a smooth paste of flour and 1/4 cup of juices from
stew. Add to in slow cooker. Cover and cook on HIGH setting until thickened.