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¿Conviene congelar el bacalao desalado? Cuándo, cómo y cuánto tiempo - Bacalalo

Is it advisable to freeze desalted cod? When, how, and for how long?

November 24, 2025Lalo González Rodríguez⏱ 2 min de lectura
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Is it safe to freeze desalted cod? The definitive answer

Freezing desalted cod raises questions among cod lovers. Yes, you can freeze desalted cod without problems, but there are important nuances you should know. As specialists in artisanal cod, we'll tell you everything you need to know to maintain the organoleptic quality of this prized product.

The desalting process does not prevent subsequent freezing. In fact, many food service professionals use this technique to optimize their inventory. The key is to follow the correct procedures.

When is it best to freeze desalted cod?

Perfect timing for freezing

The ideal time to freeze desalted cod is immediately after it has been completely desalted. Once all the salt has been removed and the fish has its characteristic texture, proceed without delay. Waiting more than 24 hours in the refrigerator can compromise the protein structure.

If you have purchased pre-salted cod, freeze it on the same day you buy it. The tissues of Gadus morhua (the scientific name for cod) are delicate after the rehydration process.

Recommended situations

  • When you have desalinated more than necessary
  • To take advantage of offers on fresh desalted cod
  • Menu planning in advance
  • Inventory management in the hospitality industry

Professional freezing techniques

Pre-preparation of the cod

Before freezing, thoroughly dry the cod with paper towels. Residual moisture forms ice crystals that impair the texture. Cut the pieces into individual portions as needed.

In our artisanal cod shop, we apply vacuum packaging techniques that completely eliminate air, thus preserving the nutritional and taste properties of the desalted cod for months.

Packaging methods

Vacuum sealing is the most effective method. If you don't have a vacuum sealer, use cling film, removing as much air as possible. Then, place the pieces in airtight freezer bags. Always label with the freezing date.

For individual portions, separate each piece with parchment paper. This technique prevents them from sticking together during freezing.

Storage and defrosting times

Optimal storage duration

Packaging method Maximum time Expected quality
Vacuum packed 6 months Excellent
Airtight bag 3 months Good
Transparent film 1 month Acceptable

Proper defrosting

Defrosting should be done gradually in the refrigerator. Never use a microwave or hot water, as these will alter the fish's cellular structure. Allow 12 to 24 hours, depending on the thickness of the pieces.

Once thawed, consume the cod within 48 hours. Never refreeze a previously thawed product.

Frequently Asked Questions about Freezing

Does frozen desalted cod lose flavor? With proper freezing techniques, the loss of flavor and aroma is minimal. The texture may vary slightly, but the flavor remains virtually unchanged.

Can I freeze partially desalted cod? It's not recommended. The desalting process must be completed before freezing to avoid imbalances in the final texture.

Does it work for all cod species? Yes, both Icelandic and Norwegian cod respond well to post-desalting freezing, maintaining their distinctive characteristics.

Lalo González Rodríguez

Lalo González Rodríguez

Master Cod Craftsman · Founder of Bacalalo

Expert in salted fish and founder of Bacalalo with over 35 years of experience selecting the finest pieces of Icelandic cod and gourmet seafood at the Mercat del Ninot in Barcelona.

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