Perfect Sugar Cookies

Name: Perfect Sugar Cookies
Ingredients: 2 cups unbleached all-purpose flour; 1 teaspoon baking powder; ½ teaspoon kosher salt; ¼ teaspoon baking soda; 1 stick unsalted butter, room temperature; 1 ½ cups granulated sugar, plus more for sprinkling; 1 large egg; 1 teaspoon pure vanilla extract; ¼ cup sour cream; 1 large egg white; 2 cups confectioners’ sugar, sifted, plus more if needed; 1 to 2 teaspoons fresh lemon juice; Oranges, lemons, or grapefruits; 1 ½ cups sugar