Gwyneth Paltrow's Flounder with Miso Sauce

Description
Created by Gwyneth Paltrow

Ingredients

 * 1 thick piece of white fish, like Flounder
 * 1 cup mellow white miso paste
 * 3/4 cup of mirin sauce

Directions
Whisk the miso paste and mirin sauce together. Place the fish in an oven-safe pan. Coat the top side of the fish with the miso/mirin mixture. Bake for 20 minutes at 400 degrees, until the sauce is slightly caramelized. Serve with rice and fresh salad.