Třeboňský Kapr (or Trout) na Modro s Křenem (Bohemian Poached Fish in Root Broth) – Authentic Czech Republic Recipe

From the historic fishponds of Třeboň: delicate fish poached with roots and finished with melted butter and horseradish.

Country of Origin
🇨🇿 Czech Republic (Central Europe, Europe)
Dietary Profile
pescatarian
Prep Time
15 min
Cook Time
30 min
Difficulty
Easy
Signature Staples
Rainbow trout or carp fillets, Julienned carrots and celeriac, Buttered parsley potatoes, Fresh grated horseradish, Lemon

Ingredients for Třeboňský Kapr (or Trout) na Modro s Křenem (Bohemian Poached Fish in Root Broth) (4 Servings)

  • 1.25 lbs (or 2.5 cups) rainbow trout or carp fillets, prepped into bite-sized pieces
  • 1.5 cups julienned carrots and celeriac, washed and trimmed
  • 1 cup buttered parsley potatoes
  • 1 medium onion and 3 cloves garlic, finely minced with fresh grated horseradish
  • 1.5 tbsp traditional Czech Republic seasoning (lemon, allspice, bay leaf, butter)
  • 2.5 cups rich culinary stock or aromatic cooking liquid, plus 2 tbsp cooking oil

Step-by-Step Cooking Instructions

  1. Heat oil in a heavy Dutch oven or deep skillet over medium-high heat; brown rainbow trout or carp fillets for 5 minutes.
  2. Add minced onion, garlic, fresh grated horseradish, and lemon, allspice, bay leaf, butter, stirring for 2 minutes until deeply aromatic.
  3. Add julienned carrots and celeriac and pour in the braising liquid; bring to a lively simmer.
  4. Cover and braise over medium-low heat for 20–22 minutes until meltingly tender and the sauce is rich and glossy.
  5. Stir in buttered parsley potatoes right before serving warm.

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