2 1/3 cups plus 2 tablespoons (11-ounces) all-purpose flour
1 teaspoon salt
1 teaspoon baking powder
3/4 cup (1 1/2 sticks; 6-ounces) unsalted butter
1/2 cup plus 2 tablespoons (4-ounces) granulated sugar
1 large egg
1 teaspoon pure vanilla extract
They will still be soft when they come out of the oven and may break or become misshapen if they are moved off the sheets before cool.