Black Sesame And Pear Tea Cake

Name: Black Sesame And Pear Tea Cake
Ingredients: 1/2 cup (1 stick) unsalted butter, room temperature, plus more for pan; 1 1/2 cups plus 2 tablespoons all-purpose flour, divided; 1 cup almond flour or almond meal; 2 teaspoons baking powder; 1/2 teaspoon baking soda; 1/2 teaspoon kosher salt; 2 tablespoons plus 1/2 cup black sesame seeds, divided; 1 1/4 cups plus 2 tablespoons sugar; 1 large egg; 1 large egg yolk; 3/4 cup buttermilk; 1 (medium) firm but ripe Bosc pear, peeled, cored, cut into 1/4-inch cubes