You can use flounder fillets instead of sole, or sardines, which must be boned but left in one piece, not divided into two fillets. Soak the golden raisins in a little warm water to plump them.

Lemon sole is widely available and a sustainable choice. It can be bought whole or in fillets. Lemon sole fillets can be rolled around a stuffing and steamed or baked; the fish also goes well with ...