Chicken Salsa Verde

Name: Chicken Salsa Verde
Ingredients: Four 6-ounce chicken thighs, boneless and skinless, at room temperature; 2 tablespoons plus 4 teaspoons canola oil; 4 teaspoons kosher salt, for seasoning; 2 teaspoons freshly ground black pepper; 5 cloves garlic, crushed with sprinkle of salt; 2 anchovies in oil, drained, finely chopped; 1 cup fresh flat-leaf parsley; 1/4 cup fresh chives; 1/4 cup fresh tarragon leaves; 1 tablespoon lemon zest; 1 teaspoon crushed red pepper; 1 teaspoon kosher salt; 1/2 teaspoon freshly ground black pepper; 1/2 cup extra-virgin olive oil