If using frozen halibut, pull fish out of freezer and place it in the refrigerator about 12 hours before meal time. Alternatively, you can safely thaw fish under cold running water in the sink.
Make sure a rack in the oven is on the highest level possible and then turn oven onto high broil.
Cover a baking sheet with aluminum foil.
Place halibut fillet onto aluminum foil.
Brush or rub on the avocado oil.
Sprinkle with salt and fresh ground pepper.
Slide into oven on top rack, under the broiler.
Cook for 6-8 minutes depending on how done you prefer your fish and the thickness of the fillet.