Cilantro Scallion Bread

Name: Cilantro-Scallion Bread
Ingredients: 2 teaspoons active dry yeast; 2 teaspoons Kosher salt, divided; 2 teaspoons sugar, divided; 1 3/4 cups plus 3 tablespoons all-purpose flour; 4 tablespoons unsalted butter, chilled, cubed; 1 large egg plus 1 yolk; 1 1/4 cups coarsely chopped scallions; 1/2 cup coarsely chopped fresh cilantro; 1/2 cup sesame seeds; 1 tablespoon black sesame seeds; 3 tablespoons olive oil plus more for bowl and brushing