Subheading
If the fish is going to be baked in aluminum foil, it will take longer to cook and the heat will take longer to reach the fish, so it will take longer to cook. If you're cooking fresh fish, this should add 5 minutes, and for frozen fish, it should add 10. Thaw fish that has been frozen for more than 24 hours by running it under cold, not room-temperature water. Thaw frozen fish before cooking it