Introduction
Fiskegrateng, also known as fish gratin, is a classic Norwegian dish that is perfect for cold winter nights. It's a comforting and filling casserole that combines tender flaky fish with creamy mashed potatoes, topped with a golden layer of melted cheese. This dish is easy to make and can be prepared in advance, making it a great option for busy weeknights or when you're expecting guests. In this article, we'll take you through the steps of making fiskegrateng, so you can enjoy this delicious and hearty dish in the comfort of your own home.
Ingredients
For the fish filling:
- 1 lb white fish fillets (such as cod, haddock, or tilapia)
- 1 onion, finely chopped
- 2 tablespoons butter
- 1/4 cup all-purpose flour
- 2 cups milk
- 1/4 cup chopped fresh parsley
- Salt and pepper to taste
For the mashed potatoes:
- 2 lbs potatoes, peeled and chopped into small pieces
- 1/2 cup milk
- 2 tablespoons butter
- Salt and pepper to taste
For the topping:
- 1 cup shredded cheddar cheese
Instructions
Step 1: Cook the fish filling
Preheat your oven to 375°F (190°C). Grease a 9x13 inch baking dish with butter or cooking spray. In a large skillet over medium heat, sauté the chopped onion in butter until it's translucent and fragrant. Add the flour and stir until the mixture is smooth. Gradually add the milk, stirring constantly until the sauce thickens. Add the fish fillets to the skillet and cook until they are just tender and flaky. Stir in the chopped parsley and season with salt and pepper to taste.Step 2: Prepare the mashed potatoes
While the fish is cooking, prepare the mashed potatoes. Peel and chop the potatoes into small pieces and place them in a large pot of salted water. Bring the water to a boil and cook the potatoes until they are tender and easily pierced with a fork. Drain the potatoes and return them to the pot. Add the milk and butter and mash the potatoes until they are smooth and creamy. Season with salt and pepper to taste.Step 3: Assemble the gratin
Spread the mashed potatoes evenly in the bottom of the greased baking dish. Pour the fish and sauce mixture on top of the potatoes, spreading it evenly over the surface. Sprinkle the shredded cheddar cheese on top of the fish mixture, making sure to cover the surface evenly.Step 4: Bake the gratin Bake the fiskegrateng in the preheated oven for 30-35 minutes, or until the cheese is melted and golden brown. Remove the gratin from the oven and let it cool for a few minutes before serving.
Tips and Tricks
- Use any white fish fillets that you prefer, such as cod, haddock, or tilapia.
- If you don't have fresh parsley, you can use dried parsley or substitute it with another fresh herb like dill or chives.
- If you want to save time, you can use instant mashed potatoes instead of making them from scratch.
- Fiskegrateng can be stored in an airtight container in the refrigerator for up to 3 days.
- This dish is perfect for freezing – simply assemble the gratin but don't bake it, and wrap it tightly with plastic wrap and aluminum foil. Freeze for up to 3 months, and bake it when you're ready to serve.
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