Given the task definition and input, reply with output. In this task, you have to identify the named entities (NER) which are the ingredients required given its directions. Named entities are the names of the items without their quantity.

Thaw fish if frozen., Preheat broiler., Cut fillets into 6 portions. Place fish in a single layer in a greased baking pan. Brush half the melted butter or Dill Sauce over the fish., Season with salt and pepper.
salmon, butter