Seared Tuna Tiradito

Name: Seared Tuna Tiradito
Cook time: 45 min
Total time: 45 min
Cuisine: American
Ingredients: 2 cups packed fresh cilantro leaves and tender stems, roughly chopped; 1/2 cup fresh lime juice; 1/3 cup Kewpie mayonnaise; 1/4 cup roughly chopped seeded fresh serrano chile; 1/4 cup roughly chopped seeded fresh poblano chile; 2 tablespoons fresh orange juice; 2 teaspoons kosher salt; 1/3 cup plus 4 teaspoons extra-virgin olive oil, divided; 1 (6-ounce) sushi-grade tuna steak, chilled; 2 tablespoons finely chopped peeled jicama; 2 tablespoons passion fruit pulp; 2 tablespoons diced peeled mango; Flaky sea salt, to taste