Vanilla Bean Shortbread

Directions

1. 1
   Spoon flour into dry measuring cups; level with a knife.
2. 2
   Combine flour, cornstarch, and salt in a large bowl; stir with a whisk.
3. 3
   Place butter in a medium bowl; beat with a mixer at medium speed 2 minutes or until light and fluffy.
4. 4
   Add oil; beat with a mixer at medium speed 3 minutes or until well blended.
5. 5
   Gradually add sugar, beating well.
6. 6
   Scrape seeds from vanilla bean, and add seeds to butter mixture; discard bean.
7. 7
   Add flour mixture, beating at low speed just until blended.
8. 8
   Spoon dough into prepared pan.
9. 9
   Place a sheet of heavy-duty plastic wrap over dough; press to an even thickness.
10. 10
    Discard wrap.
11. 11
    Bake at 350 degrees for 30 minutes or until edges are lightly browned.
12. 12
    Cool in pan 5 minutes on a wire rack; cut into 32 pieces (mine are much bigger--try 12 pieces!)
13. 13
    Carefully lift foil from pan; cool squares completely on a wire rack.