Image of Cheesy Baked Fish

Cheesy Baked Fish

Prep Time: 15 min
Cook Time: 20 min

Ingredients

  • 3 tablespoons butter
  • 1 onion, thinly sliced
  • 1 pound skin-on fresh cod
  • 1 tablespoon seasoned salt, or more to taste
  • ½ cup mayonnaise
  • 2 ½ tablespoons grated Parmesan cheese
  • 2 ½ tablespoons shredded provolone cheese
  • 2 ½ tablespoons shredded mozzarella cheese
  • 1 tablespoon chopped fresh parsley