Light Strawberry Shortcake

Name: Light Strawberry Shortcake
Ingredients: 1 1/2 cups all-purpose flour, plus more for dusting; 3 tablespoons granulated sugar; 1 1/2 teaspoons baking powder; 1/2 teaspoon fine salt; 3 tablespoons cold salted butter, cut into small pieces; 1 tablespoon grated lemon zest; 1 large egg, slightly beaten; 1/2 cup plus 1 tablespoon low-fat buttermilk; 1 tablespoon sliced almonds; 4 cups strawberries, hulled and sliced; 2 to 3 tablespoons granulated sugar (depending on the ripeness of the berries); 2 teaspoons grated orange zest plus 1 tablespoon orange juice; 1 cup 0 percent or 2 percent fat Greek yogurt, for serving; Confectioners' sugar, for dusting, optional