Fish au gratin with mustard - Fiskgratäng med senap

FISH AU GRATIN WITH MUSTARD
Fiskgratäng med senap

A lovely fish gratin with piped mashed potatoes and a creamy sauce, good for both everyday and festive occasions.

4 servings

1 to 1 1/3 lbs fillet of cod or other fish

1 to 2 teaspoons salt
1/3 cup water
¼ to 1/3 cup grated cheese

Mashed potatoes:

approx 2 lbs potatoes
1 to 1 ¼ cups milk
2 tablespoons butter or margarine
salt, pepper
nutmeg

Gratin sauce:

2 tablespoons butter or margarine
3 tablespoons flour
1 ¾ cups fish juice and milk
1 fish bouillon cube
1/3 cup cream, 15% fat
2 to 3 tablespoons mustard
3 tablespoons dill
salt, pepper
1 egg yolk

Boil the potatoes in lightly salted water for about 20 minutes. Pour off the water and mash the potatoes. Dilute with millk and add the fat. Stir until fluffy and flavour with salt, pepper and nutmeg.

Transfer the fish to a greased, oven-proof dish and sprinkle with salt. Pour on the water and cover with aluminum foil. Boil in the middle of the oven at 390F for 15 to 20 minutes.

For the sauce, you sizzle the fat, stir in the flour and dilute with fish “juice” and milk. Crumble the bouillon cube in the sauce and let it boil for 3 to 5 minutes. Add cream, mustard and dill. Flavour to taste with salt and pepper and stir in the egg yolk.

Pipe or dab out the mashed potatoes around the fish and pour the sauce on top. Sprinkle with cheese and bake high up in the oven at 530F for about 10 minutes.

Enjoy!

Bella