Cooked trout fillet with golden skin beside rustic pink beetroot potato mash
European Recipe

Trout fillet with beetroot potato mash

Potatoes boil until tender and are roughly mashed with finely grated beetroot, milk and butter. Trout fries in a pan alongside.

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Total time 40 min
Calories 594 kcal
Servings 2 servings
Difficulty Easy
By the Published Editorially approved

Why this recipe works

Trout with a warm root vegetable side

Precooked beetroot keeps preparation manageable. Fine shreds combine with floury potatoes into a rustic side dish. The fish skin is patted dry before frying. The quantities make two complete fish meals.

Dinner Autumn Recipes Potatoes Fish

Recipe

Trout fillet with beetroot potato mash

Pan-fried skin-on trout fillet with vivid pink potato mash made with precooked beetroot.

Ingredients

2 servings

Method

  1. 1

    Prepare potatoes and fish

    Cut potatoes into cubes about 2 cm. Finely grate beetroot. Check fish for bones, pat skin dry and divide into similarly thick serving pieces.

  2. 2

    Make mash

    Bring potatoes to a boil with the water and two thirds of the salt. Cook over low heat for about 15 minutes until tender and drain. Add beetroot, milk and butter and heat thoroughly over low heat, stirring, for about 5 minutes. Roughly crush with a potato masher and stir in half the pepper.

  3. 3

    Fry trout

    While potatoes cook, heat oil in a large nonstick pan over medium heat. Season fish with remaining salt and pepper. Fry skin-side down for about 5 minutes, carefully turn and finish for about 3 minutes on the flesh side. The centre must reach at least 70 °C for 2 minutes; check with a thermometer if unsure and cook longer. Flesh should be opaque and separate easily into flakes.

  4. 4

    Plate

    Drizzle lemon juice over cooked fish. Divide hot beetroot potato mash between plates and serve immediately with trout. Small pieces may remain in the mash.

Kitchen know-how

Tips for Trout fillet with beetroot potato mash

Mash potatoes by hand

A potato masher retains the rustic texture. Blending potatoes for too long with a stick blender can make them gluey.

Dry skin before frying

A dry surface fries more evenly. Initially leave fillets undisturbed on the skin side before turning.

Variations

How to adapt this recipe

Replace rainbow trout with the same raw weight of skin-on salmon trout fillet. Check thickness and cooking time; nutritional values change.

Replace beetroot with the same amount of carrots separately cooked until tender. Colour, flavour and nutritional values change.

Nutrition per serving

594kcal
51.5 gCarbohydrates
41.6 gProtein
22.8 gFat

Values are estimates per serving and may vary depending on the ingredients, brands, portion size and preparation method used.

Frequently asked questions

FAQ about Trout fillet with beetroot potato mash

The basic version uses precooked beetroot without vinegar or sugar. Pickled beetroot adds acidity and often sugar, changing flavour and nutritional values substantially.

Yes. The quantity refers to already cooked peeled beetroot. Fully cook and peel raw roots separately first, then weigh; the extra time is not included.

Fine shreds distribute better among the potatoes and heat evenly. The potatoes can then be mashed by hand without blending everything.

Yes, but the described skin-side frying stage does not apply and fillets can fall apart more easily. Turn carefully and cook thoroughly; the nutritional values refer to skin-on fillet.