Peruvian White Fish Ceviche
Serves: 2-4 | Prep time: 20 minutes | Marinating time: 5-10 minutes
1. Ingredients
The Base:
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Fresh White Fish: 500g (1.1 lbs) of firm white fish (Sea Bass, Flounder, or Grouper), cut into 2cm cubes.
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Red Onion: 1 medium, very thinly sliced into half-moons (soak in ice water for 10 mins to remove the "bite").
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Aromatic herbs: 1/2 cup fresh cilantro (coriander), finely chopped.
The "Leche de Tigre" (Marinade):
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Lime Juice: 3/4 cup freshly squeezed (approx. 8–10 limes).
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Garlic: 1 clove, finely grated or mashed.
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Ginger: 1 tsp, finely grated.
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Chili: 1 habanero or aji limo, deseeded and finely minced (adjust to heat preference).
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Salt & Pepper: To taste.
The Garnish (As seen in the photo):
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Cucumber: 1 large, spiralized or peeled into long ribbons and rolled into cones.
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Tomato: 1 small, deseeded and finely diced.
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Fresh Mint or Parsley: A few leaves for extra color.
2. Instructions

Step 1: Prep the Fish
Ensure the fish is chilled. Cut the fish into uniform cubes. Place them in a chilled stainless steel or glass bowl. Season generously with salt immediately; this helps firm up the proteins.
Step 2: Create the Marinade
In a separate small bowl, whisk together the lime juice, grated garlic, grated ginger, and minced chili. Let it sit for 2 minutes, then strain if you want a perfectly smooth liquid, or leave the bits in for more texture.
Step 3: The Marinating Process
Pour the lime juice mixture over the fish. Add half of the red onions and half of the cilantro. Toss gently.
Chef's Note: Let it sit for only 5 to 10 minutes. The fish should turn opaque on the outside but stay tender in the middle. Do not over-marinate or the fish will become "chalky."
Step 4: Assembly
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Taste the liquid and adjust salt/pepper if necessary.
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Place a portion of the fish and its juices into a deep white bowl.
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The Visuals: Arrange the spiralized cucumber "cones" vertically between the fish pieces.
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Top with the remaining crisp red onions and diced tomatoes.
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Garnish with the rest of the chopped cilantro and a crack of fresh black pepper.
3. Three Keys to Success
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Temperature: Everything must be cold. Chill your bowls in the freezer before serving.
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Freshness: Since the fish isn't cooked with heat, buy "sashimi-grade" fish from a trusted fishmonger.
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The Lime: Squeeze the limes gently by hand. If you squeeze them too hard (or use a machine), you will release the bitter oils from the pith, ruining the delicate flavor.