Cod Lyonnaise

• 1 lb. (500 g) salted cod
• 3 medium-sized potatoes

Salt cod should be purchased in large, flattened, and dried pieces on the bone with the skin still attached. If unavailable, fillets may be used. In either case, before cooking, the fish should be cut into large pieces and soaked for 24 hours using the following method: turn a plate upside down in a large bowl or pot so that the fish does not rest directly on the bottom (all the salt falls to t