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Atún encebollado
Tuna stewed with onions
Atún encebollado: Barbate tuna stewed in a deep pile of slow-cooked onions
When the almadraba nets bring bluefin tuna ashore in Barbate and Zahara de los Atunes in May and June, households along the Cádiz coast make atún encebollado: chunks of tuna braised in a mountain of onions cooked down until sweet and golden, with bay, pepper and a splash of fino. Any good tuna steak works the rest of the year. This recipe uses wine; the alcohol-free option is in the ingredient note. Chef's tip: the onions take the time, the tuna does not; add it only for the last few minutes, or it turns dry and grey.
- Total time
- 65 min
- Difficulty
- easy
- Serves
- 4
Ingredients
- ½ cup olive oil
- 2 ¼ lb onionshalved and thinly sliced
- 4 cloves garlicsliced
- 1 tsp sweet paprika
- ½ cup fino sherry or dry white winealcohol-free: 100 ml water with 1 tbsp sherry vinegar
- 1 ½ lb tuna steakcut into 4 cm chunks
- 1 ½ tsp salt
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Method
0/5 doneStep 1: Heat ½ cup olive oil in a wide casserole over a medium-low heat. Add 2 ¼ lb onions, 4 cloves garlic, 2 bay leaves and 8 black peppercorns with half of ¾ tsp salt.
Step 2: Cook slowly, stirring every few minutes, for 35–40 minutes, until the onions have collapsed to about a third of their volume and are soft, sweet and pale gold. A common mistake is raising the heat to hurry them: they scorch and turn bitter before they turn sweet.
40 minStep 3: Stir in 1 tsp sweet paprika, then pour in ½ cup fino sherry or dry white wine and let it bubble for 2 minutes until the sharp smell of alcohol has gone.
2 minStep 4: Season 1 ½ lb tuna steak with the rest of ¾ tsp salt and nestle it into the onions. Cover and cook over a low heat for 6–8 minutes, turning the pieces once, until the tuna is just opaque all the way through and flakes when pressed.
8 minStep 5: Take off the heat and rest for 5 minutes, covered. Serve with bread or fried potatoes.
5 min
Nutrition per serving
- Calories
- 450 kcal
- Protein
- 44 g
- Carbs
- 18 g
- Fat
- 22 g
- Fibre
- 3 g
Nutrition values are estimates.
KrazyBadal
Good to know
- How long does atún encebollado take?
- About 65 minutes in total: 15 minutes to prepare and 50 minutes to cook.
- How many people does it serve?
- 4 as written. Change the servings above the ingredients and every amount scales to match.
- Is it gluten free?
- Yes, as written. Check the labels on stock, sauces and spice mixes, which sometimes contain gluten.
- What can I use instead of onions?
- 2 shallots per onion.
- What can I use instead of garlic?
- ½ tsp garlic paste or ⅛ tsp garlic powder per clove.
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