Pescado a lo Cubano — Fish Under a Blanket of Onions

Tía Cary aquí. Cuba is an island — people forget that between all the pork. Fish was Friday, fish was Lent, fish was whatever my tío pulled out of the water in Cojímar and my mother refused to clean. The Cuban way with a fillet is humble and perfect: adobo and lime, a hot surface, and then the real secret — a blanket of onions cooked so slow they turn into sauce. Encebollado. The fish is the excuse; the onions are the event.

The Cuban fish philosophy

No batter, no heavy sauces. A firm white fillet — pargo if you can get it — seasoned simply, cooked fast, finished under slow onions with olive oil and lime. It shares the plate with the same holy trinity as every Cuban plato fuerte: white rice, beans, maduros.

The recipe

Ingredients

• 4 firm white fish fillets (snapper, mahi or grouper)
• 1 tbsp adobo seasoning
• Juice of 2 limes, plus wedges
• 2 large onions, sliced into thin rings
• 4 tbsp olive oil
• 3 cloves garlic, sliced
• Salt, pepper, and a pinch of cumin

Steps

1. Season the fillets with adobo, cumin, pepper and half the lime juice. Rest 15 minutes — no longer, or the lime starts cooking the fish.
2. In a wide pan, cook the onion rings and garlic slow in 3 tbsp olive oil, 10-12 minutes, until sweet and just golden. Salt them, add the rest of the lime, and set aside.
3. Wipe the pan, add the last of the oil, and sear the fillets over medium-high, 3-4 minutes per side, until they flake.
4. Blanket the fish with the warm onions and every drop of their oil.
5. Serve with white rice, beans, maduros and lime wedges — the onions get spooned over the rice too. That's the law.

Tía's rule: the onions cannot be rushed and the fish cannot wait. Onions first, always — they hold; the fish doesn't.

Preguntas frecuentes

How do Cubans cook fish?

The home classic is pescado a la plancha or al horno — a firm white fillet seasoned with adobo and lime, cooked simply, then buried under slow-cooked onions (encebollado). Served with white rice, beans and maduros like any completa.

What fish works best for Cuban-style fish?

Firm white fish: snapper (pargo) is the Cuban ideal, but mahi, grouper, swordfish or even a thick cod fillet take the adobo-lime-onion treatment beautifully.

What is pescado encebollado?

'Fish under onions' — the fillet finishes beneath a blanket of onions cooked slow in olive oil and lime until sweet and translucent. The onions ARE the sauce; spoon them over everything on the plate.

What sides go with Cuban fish?

White rice, habichuelas or black beans, maduros, and a slice of avocado. Squeeze the lime over all of it at the table — the plate should smell like a Cuban beach town.

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