# Tuna with Potatoes and Onion

Recipe by [Elena Rossetti](https://fridge.menu/en/u/elenarossetti)

A simple baked tuna dish with potatoes, onion and orange, finished with white wine and olive oil.

Servings: 4 · Prep 30 min · Cook 40 min · Fish

Contains: fish and seafood

_Labels are worked out automatically from the ingredients and can be wrong. Check the packaging if it matters to you._

![AI photo: Tuna with Potatoes and Onion](https://image.fridge.menu/adaptations/5pb46h0q/b575a16a82c3bec6b8bf1e0236b20c31c8185c820312cd49f6250231b58c6e86.jpg)

## Ingredients

- 500 g [Tuna](https://fridge.menu/en/i/tuna)
- 400 g [Potatoes](https://fridge.menu/en/i/potato)
- 1 pcs [White onion](https://fridge.menu/en/i/onion)
- 2 pcs [Orange](https://fridge.menu/en/i/orange)
- 240 ml [White wine](https://fridge.menu/en/i/white-wine)
- [Oregano](https://fridge.menu/en/i/oregano) — to taste
- [Olive oil](https://fridge.menu/en/i/olive-oil) — to taste
- [Salt](https://fridge.menu/en/i/salt) — to taste
- [Black pepper](https://fridge.menu/en/i/black-pepper) — to taste

## Steps

1. Peel the potatoes, wash, pat dry and cut into thin slices.
2. Put the potatoes into a pot of cold water and cook. (5 min)
3. Carefully drain the potatoes in a colander, rinse with cold water to remove the starch, and toss with 4 tablespoons of olive oil.
4. Peel the onion and cut into thin slices.
5. Stew the onion in a pan with olive oil, water, salt, pepper and oregano. (10 min)
6. Let the onion cool.
7. Marinate the tuna in orange juice. (30 min)
8. Drain the liquid from the tuna.
9. Line a baking tray with parchment paper, place the pieces of tuna on it, and season with salt and pepper.
10. Cover the tuna with the stewed onion and potatoes, and drizzle with wine and olive oil.
11. Bake at 200°C. (25 min)

Published 2026-10-08

https://fridge.menu/en/r/tunets-z-kartopleiu-ta-tsybuleiu-5pb46h0q

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