Ceviche de Corvina Costarricense
A refreshing and flavorful Costa Rican-style ceviche featuring fresh sea bass (corvina) marinated in lime juice with finely chopped vegetables and cilantro.

🧂 Ingredients
- 500 g Corvina (Sea Bass) fillet(skinless, boneless, cut into 1/2-inch cubes)
- 1 cup Fresh lime juice(from about 8-10 limes)
- 0.5 medium Red onion(finely chopped)
- 0.5 cup Cilantro(fresh, chopped)
- 1 small Jalapeño or Serrano pepper(seeded and finely minced (optional, for heat))
- 1 tsp Salt(or to taste)
- 0.5 tsp Black pepper(freshly ground, or to taste)
- 1 medium Tomato(diced (optional, for color and texture))
- 0.5 medium Cucumber(peeled, seeded, and diced (optional, for crunch))
👨🍳 Instructions
- 1
Place the cubed corvina in a non-reactive bowl (glass or ceramic).
💡 Tip: Ensure the fish is very fresh. - 2
Pour the fresh lime juice over the fish, ensuring it is fully submerged. Stir gently.
⏱️ 15-20 minutes💡 Tip: The acid in the lime juice will 'cook' the fish. - 3
While the fish is marinating, finely chop the red onion, cilantro, and jalapeño (if using). Dice the tomato and cucumber if adding.
💡 Tip: Uniform chopping ensures even distribution of flavors. - 4
After 15-20 minutes, the fish should appear opaque and slightly firm. Drain off about half of the lime juice.
💡 Tip: Don't over-marinate, or the fish can become tough. - 5
Add the chopped red onion, cilantro, jalapeño, tomato, and cucumber (if using) to the bowl with the fish. Season with salt and pepper.
- 6
Gently toss all ingredients together. Let it sit for another 5 minutes for the flavors to meld.
⏱️ 5 minutes - 7
Serve immediately, often accompanied by plantain chips, crackers, or a side of rice.
💡 Tip: Ceviche is best enjoyed fresh.
💡 Pro Tips
- ✓Use the freshest possible fish for ceviche.
- ✓Adjust the amount of lime juice and chili to your preference.
- ✓For a milder onion flavor, you can soak the chopped red onion in cold water for 10 minutes before adding it.
🔄 Variations
- Add diced avocado for creaminess.
- Incorporate other seafood like shrimp or octopus.
- A splash of orange juice can balance the acidity.