1 cup white sugar ½ cup butter 2 eggs 1 teaspoon vanilla extract 1½ cups all-purpose flour 3 tablespoons cornstarch 1¾ teaspoons baking powder ½ teaspoon salt ¾ cup milk 1 1 cup white sugar ½ cup butter 2 eggs 1 teaspoon vanilla extract 1½ cups all-purpose flour 3 tablespoons cornstarch 1¾ teaspoons baking powder ½ teaspoon salt ¾ cup milk