Soak the cod in cold water for 48 hours, changing the water three to four times a day. They will plump up as they soak and release the salt.
Preheat a grill.
Take the pieces of salt cod out of the water, pat and squeeze dry with a clean cloth. It is important that they are completely dry before they are grilled. Brush with olive oil and grill on either side until the cod is no l