Side Dishes

Perch Fillets Au Gratin

by Editorial Staff

Summary

Prep Time 30 mins
Cook Time 30 mins
Total Time 1 hr
Course Main Course
Cuisine European
Servings (Default: 4)

Ingredients

  • 600 g perch (s), fillets it (perch fillets)
  • 0.5 ½ lemon (s), juice it
  • salt and pepper
  • 100 g leeks
  • 100 g carrot (s)
  • 50 g shallot (s)
  • 50 g butter
  • 1 dl white wine

For the sauce: hollandaise

  • 4 egg yolks
  • 1 teaspoon wine vinegar
  • 3 tablespoons water
  • 150 g butter, liquid, lukewarm
  • 0.5 teaspoon ½ salt
  • 1 pinch sugar
  • 1 pinch white pepper
  • 0.5 ½ lemon (s), juice it

Also:

  • Butter for the mold
  • 30 g Gruyère, rated
Perch Fillets Au Gratin
Perch Fillets Au Gratin

Instructions

  1. Pat the perch fillets dry and marinate with salt, pepper and lemon juice. Julienne the leek and carrots, finely chop the shallots. Put everything in melted butter. Deglaze with white wine and let it boil down completely.
  2. For the hollandaise sauce, beat the egg yolks, wine vinegar and water until foamy, stir in a hot water bath with a whisk until the sauce is thick and thick. Add the liquid, lukewarm butter to the sauce spoon by spoon and stir. Season to taste with salt, sugar, white pepper and lemon juice.
  3. Butter a gratin dish, lay out the perch fillets, spread the vegetables over the top and pour the hollandaise sauce over it. Sprinkle everything with a little Gruyère.
  4. Gratinate in a preheated oven at 200 ° C top / bottom heat for approx. 15 - 20 minutes.
Editorial Staff

About Editorial Staff

The Boss Kitchen editorial staff oversees content review, fact-checking, and recipe verification across the site. Published articles pass through the editorial team before going live, ensuring ingredient lists, techniques, cooking times, and nutritional claims hold up in a home kitchen. The team coordinates contributions across the site writers, handles reader corrections, and maintains consistency in measurement conventions, safety guidance, and dietary labeling. Posts under this byline typically represent team-reviewed reference material, site announcements, or editorial roundups rather than individual-author features, and they are held to the same sourcing standards as bylined recipe and product coverage.

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