Ahi Tuna Seviche with Mango and Avocado

INGREDIENTS

• 1 1/4 pounds sushi-grade ahi tuna
• 1 tablespoon extra-virgin olive oil
• 2 tablespoons minced fresh cilantro
• 1 teaspoon minced fresh oregano
• 1 teaspoon finely chopped seeded serrano chile
• 1/3 cup thinly sliced green onion
• 1 medium mango, peeled, pitted, and diced
• 1/2 cup seeded and diced Roma tomato
• 1/3 to 1/2 cup fresh lime juice
• 1/4 teaspoon sea salt
• 1/4 teaspoon freshly ground black pepper
• Garnishes: chopped avocado, mint sprigs, salmon roe