Instructions

  1. Preheat oven to 350 degrees.
  2. Dip fish in melted butter, salt, pepper and lemon juice.
  3. Place fish fillets into shallow baking pan.
  4. Place mushrooms and onions over the top of fish, then spoon any remaining butter mixture over fish.
  5. Bake at 350°F for 15-20 minutes until fish flakes.