Step 1

Preheat the oven broiler. Grease a baking dish.

Step 2

In a bowl, mix the Parmesan cheese, butter, mayonnaise, lemon juice, green onions, salt, and hot pepper sauce.

Step 3

Arrange the halibut fillets in the prepared baking dish.

Step 4

Broil halibut fillets 8 minutes in the prepared oven, or until easily flaked with a fork. Spread with the Parmesan cheese mixture, and continue broiling 2 minutes, or until topping is bubbly and lightly browned.