Perfect Shortcake

Directions

1. 1
   Preheat the oven to 400 degrees F.
2. 2
   In a mixing bowl or food processor, combine the flour, cornstarch, sugar, baking powder, and salt.
3. 3
   Add butter and mix with a fork or process, pulsing the motor on and off, until the mixture resembles crumbs.
4. 4
   Add the milk all at once and stir or process briefly to form a soli: dough.
5. 5
   Turn the dough out onto a well-floured surface and knead very lightly.
6. 6
   Do not overwork the dough or shortcakes will be rough.
7. 7
   Roll the dough into a 6-inch square, trim the edges, then cut it into three long rectangles.
8. 8
   Cur each rectangle in half to form 6 neat cakes, each about 2 by 3 inches.
9. 9
   Arrange the cakes a few inches apart on a baking sheet and bake on the top rack of the preheated oven for 12 minutes, or until the tops are browned.