Ingredients for - Cheesy Baked Fish

1. Butter 3 tablespoons
2. Onion, thinly sliced 1
3. Skin-on fresh cod 1 pound
4. Seasoned salt, or more to taste 1 tablespoon
5. Mayonnaise ½ cup
6. Grated Parmesan cheese 2 ½ tablespoons
7. Shredded provolone cheese 2 ½ tablespoons
8. Shredded mozzarella cheese 2 ½ tablespoons
9. Chopped fresh parsley 1 tablespoon

How to cook deliciously - Cheesy Baked Fish

1 . Stage

Preheat oven to 400 degrees F (200 degrees C). Place butter in a 9x13-inch casserole dish.

2 . Stage

Place casserole dish in the preheating oven until butter is melted, about 5 minutes.

3 . Stage

Spread onion slices in the bottom of the casserole dish. Place cod skin-side down over onion. Sprinkle seasoned salt evenly on top.

4 . Stage

Mix mayonnaise, Parmesan cheese, provolone cheese, mozzarella cheese, and fresh parsley together in a bowl. Spread over cod.

5 . Stage

Bake in the preheated oven until cod flakes easily with a fork, 20 to 25 minutes.