Easy Shrimp Ceviche

Name: Easy Shrimp Ceviche
Prep time: 15 min
Cook time: 2 min
Total time: 17 min
Cuisine: American, Latin American
Ingredients: 1 pound peeled and deveined raw medium shrimp; 1/4 cup freshly squeezed lemon juice (from 2 lemons); 1/4 cup freshly squeezed lime juice (from 2 to 3 limes); 2 medium tomatoes, seeded and chopped; 1/2 small red onion, finely chopped; 1 medium jalapeño, seeded and finely chopped (about 3 tablespoons); 1/2 cup chopped fresh cilantro leaves and tender stems; 1/2 teaspoon kosher salt; 1 medium avocado; Tortilla chips, for serving (optional)