
Bright, citrus-forward, and impossibly fresh, this ceviche is the kind of dish that makes you feel like you're eating somewhere with an ocean view. Sushi-grade white fish — sea bass, halibut, or flounder all work beautifully — gets cubed and submerged in a punchy blend of fresh lime and lemon juice, which slowly turns the fish opaque and silky without a single burner being turned on. Red onion, jalapeño, cilantro, and a whisper of ground cumin layer in heat and herbaceous depth, while diced avocado folds in at the end for richness and a little creaminess to balance the acid. The whole thing comes together in under half an hour, with most of that time being hands-off refrigerator time. For anyone navigating a rice-free lifestyle, this is the kind of recipe that genuinely needs nothing swapped or substituted — every single ingredient is naturally free of rice and rice derivatives, right down to the optional tortilla chips on the side. Serve it straight from the bowl the moment it's ready, because the avocado is at its best immediately and the texture of the fish is at peak perfection just after marinating.
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Use only sushi-grade or sashimi-grade fish labeled safe for raw consumption — this recipe relies entirely on acid marination, not heat, to denature the fish proteins. Cut the fish into ½-inch cubes and place in a large mixing bowl.
Add the lime juice, lemon juice, and kosher salt to the bowl and stir to coat every piece of fish. The fish should be fully submerged in the citrus juice; add a splash more lime juice if needed.
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