Cheesy Baked Fillet of Fish Casserole

• sour cream↗1 cup
• butter↗2 tablespoons
• lemon juice↗2 tablespoons
• firm white fish fillet (halibut, or ling cod work well)1 - 1 1⁄2 lb
• salt↗
• pepper↗
• medium onion↗1⁄2

  thinly sliced and seperated into rings

• grated cheddar cheese↗1 - 1 1⁄2 cup

Step-by-step instructions

1. 1

   Preheat oven to 350 degrees.

2. 2

   Melt butter and blend in the lemon juice and sour cream.

3. 3

   Salt and pepper the fish to taste and place in a casserole dish.

4. 4

   Spread the onion rings evenly on top.

5. 5

   Pour the sour cream mixture over fish, spread evenly and top with the cheese.

6. 6

   Bake for 35 minutes or until fish flakes with a fork.