Cuban-Japanese fusion recipe

Kombujime Corvina with Sour Orange and Cucumber

Name: Kombujime Corvina with Sour Orange and Cucumber
Prep time: 25 min
Total time: 265 min
Ingredients: 400 g cleaned corvina, skin and bones removed, in two slabs of uniform thickness, 1 to 1.5 cm thick; 4 large sheets of kombu seaweed (about 20-25 g), enough to cover both sides; 150 g cucumber, thinly sliced; 10 g chives, chopped; 25 ml sour orange juice; 10 ml mild olive oil; ¼ of a small garlic clove, finely grated; Salt, only if needed

A Cuban-Japanese fusion starter: corvina cured between sheets of kombu, thinly sliced and served with cucumber, chives and a sour orange dressing.

CiberCubaNovember 11, 2026

AI-generated image.CiberCuba

Preparation25 min
Total time4 h 25 min
Servings4 starters
DifficultyMedium

Kombujime is a Japanese technique in which delicate white fish is pressed between sheets of kombu seaweed. The fish absorbs the deep, oceanic flavor of the seaweed, its texture becomes slightly firmer and silkier, and it remains raw.

This recipe is a contemporary Cuban-Japanese fusion adaptation, deliberately created without claiming to be a traditional dish from either cuisine. The Cuban twist is in the dressing: sour orange, the citrus used in classic mojos, with a drizzle of olive oil and just a touch of garlic, which enhances the fish without overpowering it.

This is a fresh, light starter with a simple presentation. Because it contains raw fish, it calls for a trusted supplier and careful temperature control; read the safety protocol carefully before starting.

Ingredients

Check off the ingredients you have.

Fish

400 g cleaned corvina, skin and bones removed, in two slabs of uniform thickness, 1 to 1.5 cm thick
4 large sheets of kombu seaweed (about 20-25 g), enough to cover both sides

To serve

150 g cucumber, thinly sliced
10 g chives, chopped

Sour orange dressing

25 ml sour orange juice
10 ml mild olive oil
¼ of a small garlic clove, finely grated
Salt, only if needed

Method

Before you start

Check that the corvina comes from a reliable supplier, is suitable for raw consumption and has undergone appropriate parasite control (freezing validated by the supplier where applicable). Thaw it in the refrigerator and keep it at 4 °C or below. Set aside clean boards, knives and containers solely for the raw fish.

Kombu curing

Lightly moisten the kombu sheets with a clean cloth and potable water, just enough to make them pliable. Do not soak them for a long time.
AI-generated image.CiberCuba
Pat the cold corvina dry thoroughly with paper towel and place each slab between two sheets of kombu, covering both sides.
AI-generated image.CiberCuba
Wrap and place the slabs in a clean container, applying light, even pressure. Refrigerate at 4 °C or below for 4 hours.

Dressing and assembly

Mix the sour orange juice with the olive oil and finely grated garlic. Taste and add salt only if needed (the kombu already contributes flavor). Keep the dressing chilled.
Remove the kombu (do not reuse it) and cut the corvina into thin slices with a very sharp, clean knife, on a board reserved for raw fish.
AI-generated image.CiberCuba
Arrange the corvina slices in a fan on chilled plates, distribute the thinly sliced cucumber and chives, and dress lightly just before serving. Serve immediately; do not keep leftovers of dressed fish.
AI-generated image.CiberCuba

Tips and variations

Raw or partially raw fish safety (read this before cooking)

Buy the corvina from a reliable supplier, with fish specifically intended for raw consumption, and ask about parasite control appropriate to the species and its origin. Where applicable, this is achieved through freezing validated by the supplier. Freshness alone is not a guarantee.
Start with fish that has already been treated and thawed in the refrigerator, never at room temperature.
Keep the fish, dressing and all raw preparations at 4 °C or below until serving.
Use clean, separate boards, knives, containers and cloths for the raw fish to avoid cross-contamination with the cucumber, chives and other foods eaten raw.
Serve freshly prepared. Do not keep leftovers of dressed fish.
Kombu, sour orange juice, garlic, the dressing or any other ingredient do not make the raw center of the fish safe. Proper freezing controls parasites, but does not eliminate all harmful microorganisms. No method guarantees zero risk.
This dish in its raw form is not recommended for pregnant people, young children, older adults or immunocompromised people (see cooked alternative).

Fully cooked alternative (changes the result) For pregnant people, children, older adults and immunocompromised people, cook the corvina until the center reaches 63 °C (check with a thermometer), for example by pan-searing or steaming. Let cool, slice or flake, and dress in the same way with sour orange, cucumber and chives. The resulting dish is different: the texture is firm and opaque, without the softness of raw fish, and the kombu is no longer used for curing.

Other notes

The dish is not labeled gluten-free: some kombu, sauces or accompaniments may contain traces; if necessary, check the labels of everything you use.
Timing: the 25 minutes of active work and 4 hours of resting start with fish that is ready to use; they exclude preventive freezing and thawing.
Moisten the kombu only just enough, without submerging it; do not reuse it after it has touched raw fish.
If you cannot find sour orange, you can mix sweet orange juice with lime juice in an approximate ratio of 2 to 1, although the flavor will be somewhat different.
If the kombu adds a lot of salt, do not add any to the dressing.

Kombujime Corvina with Sour Orange and Cucumber

Ingredients