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Conservas Olasagasti: la Historia de la Conservera Vasca Más Premium

Olasagasti Preserves: The Story of the Most Premium Basque Cannery

May 26, 2026Lalo González Rodríguez⏱ 2 min de lectura

In short: Olasagasti is a 4-generation Basque family cannery founded in 1929 in Burela (Lugo, Lugo coast). Specializing in Northern Bonito, small sardines, and anchovies, it supplies Michelin chefs like Berasategui and Subijana. Artisan process: hand-cut, extra virgin olive oil, no preservatives.

Origin: Burela 1929

Olasagasti was founded in 1929 in Burela, a port on the coast of Lugo (Galicia). The Olasagasti family, originally Basque, moved to the Cantabrian Sea to access the best Northern Bonito (Thunnus alalunga) during its fishing season.

4 generations later, Olasagasti remains a family business (not acquired by industrial groups like other Galician canneries) and maintains artisan production in its historic factory at the port.

Star Products

Northern Bonito in extra virgin olive oil: belly, loins, trunk. Caught during the spring fishing season. The most awarded product.

Small sardines in olive oil: size 21 or 33, Codesa EVOO. Considered world-class by OCU blind tests.

Cantabrian Anchovies: size 0 cured for 12 months. Premium product with clear labeling.

Mackerel in oil (rare but excellent): Olasagasti is one of the few canneries that still makes premium mackerel.

Mussels in escabeche: Galician from mussel farms, traditional escabeche.

The Artisan Process Step-by-Step

Olasagasti differentiates itself from industrial canneries at every step:

  • Fish caught at Burela fish market the morning after capture
  • Hand-cutting of each bonito (not industrial machine)
  • Individual cleaning of each fillet
  • Codesa extra virgin olive oil (from its own press, not bought in bulk)
  • Controlled heat sterilization without chemical antioxidants
  • 100% recyclable can with BPA-free interior

Why Michelin Chefs Choose Olasagasti

Michelin-starred restaurants that feature Olasagasti on their menu or in their pantry: Berasategui (3 stars), Akelarre/Pedro Subijana, Arzak, Mugaritz, Casa Solla, Aponiente (Ángel León).

The argument: when a 3-star chef chooses preserves instead of fishing/preparing fresh, it's because the cannery has maintained superior quality with consistency. Olasagasti is the canned equivalent of "bellota gran reserva Iberian ham" — a product where the brand speaks for itself.

Frequently Asked Questions

Olasagasti vs Calvo vs Albo: which is premium?
Olasagasti is the premium artisan option. Calvo and Albo are larger industrial brands (Calvo since 1940, Albo since 1869, both with large-scale production). Olasagasti maintains smaller-scale production with a complete manual process.
Why is Olasagasti so expensive?
100% manual process, premium raw material (bonito and sardine from Burela during fishing season), own extra virgin olive oil, BPA-free can. Each can costs 4-6x more to produce than an industrial one. The premium reflects the real cost, not profit margin.
Where can Olasagasti be bought?
Specialized gourmet product stores (Bacalalo, El Corte Inglés Selección, premium markets), online direct from Olasagasti, and in premium restaurants. It is NOT found in regular Mercadona, Lidl, or Carrefour stores.
Does Olasagasti have certifications?
Yes: ISO 9001 quality, IFS Food, BRC, MSC sustainable fishing. It is also an accredited Basque Family Business (EAJ-PNV association).
How long do Olasagasti preserves last?
4-5 years from the canning date (under good conditions). Once opened: 3-5 days refrigerated in its own liquid. DO NOT freeze after opening.
Does Olasagasti sell internationally?
Yes, it exports to the USA, Japan, Australia, the United Kingdom, France, Germany, Italy. José Andrés is one of its distributors in the USA (Mercado Little Spain in NYC sells Olasagasti products).

To Conclude

Olasagasti is one of those products where history (1929, 4 generations) is evident in the taste. A can of Olasagasti Northern Bonito is €6-8 vs Calvo's €2-3, but the product is genuinely different: real extra virgin olive oil, no preservatives, hand-cut. Olasagasti Preserves at Bacalalo include the full range direct from the factory.

Olasagasti Preserves

Lo que cierra una receta

Olasagasti Preserves

El detalle que separa un plato de un buen plato.

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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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