Our favorite shrimp ceviche combines lightly poached shrimp with lime juice, lemon juice, and avocado. The shrimp are best served the day you make it.
1 pound extra-large shrimp, peeled and deveined (450g)
1 cup diced cucumber
¼ medium red onion, finely minced
2 chile peppers, deseeded and minced, like Fresno, serrano, or jalapeño
2 tablespoons chopped fresh cilantro
¾ cup freshly squeezed lime juice, from 6 to 7 limes (177ml)
¼ cup freshly squeezed lemon juice, from 1 to 2 lemons (60ml)
1 medium avocado, diced
1Poach the shrimp: Fill a pot with 2 quarts of water and add 2 tablespoons of salt. Bring the water to a boil, add the peeled and deveined shrimp, and immediately remove the pot from the heat. Leave the shrimp in the poaching liquid until just cooked through, 2 to 3 minutes. You can tell when the shrimp is cooked when it’s firm and opaque throughout.
2Cool the shrimp: Use a slotted spoon to transfer the shrimp to a large plate or baking sheet to cool. (Spreading them out helps them stop cooking faster). When the shrimp are cool enough to handle, remove the tails (if there are any) and chop the meat into bite-sized pieces.
3Make ceviche: Add the cucumber, onion, minced chile peppers, cilantro, and chopped shrimp to a large, non-reactive bowl (glass, stainless steel, and ceramic bowls are perfect). Pour over the citrus juices and a pinch of salt. Toss well, then press the shrimp down into the liquid as much as possible. Cover and refrigerate for at least 30 minutes and up to 4 hours.
4Serve: Just before serving, stir in the avocado. Taste and season with salt if necessary.