Casa Santoña
Bonito Tuna Belly in Olive Oil, Casa Santoña
115g Casa Santoña bonito tuna belly in olive oil is one of the most prized preserved seafood specialties in Spanish gastronomy. Sourced from bonito caught in the Bay of Biscay during the summer fishing season, this delicate cut of the fish stands out for its exceptionally tender, juicy texture.
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Original Made in Spain 2025

Bonito Tuna Belly in Olive Oil – Casa Santoña

The jewel of Cantabrian bonito tuna

Casa Santoña bonito tuna belly in olive oil is considered by many gourmets to be the most exquisite part of northern bonito tuna. Located on the lower part of the fish, near the head, this cut stands out for its extraordinary juiciness, delicate texture, and intense taste of the sea.

For this gourmet preserve, the finest specimens caught during the summer fishing season in the Bay of Biscay, one of the Atlantic’s richest fishing areas, are carefully selected.

The bonito is caught one by one using the traditional live-bait method with rod and hook, a sustainable practice that makes it possible to select the best specimens while preserving the quality of the fish.

After the catch, the belly is cleaned and prepared by hand by master canners, producing fine, whole fillets that are perfectly cleaned and preserved in olive oil to maintain their silky texture and natural flavor.

The result is a premium preserve that represents the very best of the Cantabrian canning tradition.

Why the belly is the most prized cut

The belly is the area with the highest natural fat marbling in bonito tuna, giving it:

  • Extremely tender texture
  • Greater juiciness
  • Deep, elegant flavor
  • Richness in Omega-3

In fact, its Omega-3 fatty acid content can be up to seven times higher than that of other cuts of canned bonito or tuna, making it as healthy as it is delicious.

How to enjoy bonito tuna belly

Bonito tuna belly is perfect for simple recipes where the product takes center stage:

  • Bonito tuna belly salad with tomato and sweet onion
  • Artisan bread toasts with bonito tuna belly and EVOO
  • Warm salad with piquillo peppers
  • Served with olives and pickles as a gourmet appetizer

Its delicate texture means it practically melts in the mouth, turning any dish into a gastronomic experience.

Ingredients

BONITO TUNA (fish) (Thunnus ssp) belly, olive oil, and salt.

Nutrition information (per 100 g)

  • Energy value: 945 kJ / 226 kcal
  • Fat: 14 g
    • of which saturates: 2,3 g
  • Carbohydrates: 0,1 g
    • sugars: 0 g
  • Protein: 25 g
  • Salt: 1 g

Allergens

Contains fish (bonito tuna).

Format and storage

  • Format: can
  • Best before: 18 months
  • Store in a cool, dry place.

Casa Santoña

Casa Santoña, specialists in seafood products

The Cantabrian Sea. This is where it all begins. We know that the finest quality is not possible without selecting the best raw ingredients. Casa Santoña’s experience allows them to guarantee the purchase of the finest lots across their entire range of seafood products.

Thanks to their family tradition, they are experts in seafood products, the seasons and their life cycles, as well as the best sources. They are anchovy specialists, so they take care of even the smallest detail to achieve the best anchovies on the market.

Passionate craftsmanship

In addition to modern facilities, they take great care in producing Casa Santoña products, especially anchovies. Their preparation is carried out using completely traditional, artisanal methods. For this reason, they devote the necessary time to each anchovy fillet to reduce the salt concentration, remove every bone and, ultimately, bring out the finest aromas of the catch. The finished anchovies are packed for preservation in neutral sunflower oil, to preserve the

delicacy of the original flavor. Effort and tenacity make our product a benchmark for quality.

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