Light Butterscotch Bars

Directions

1. 1
   Preheat oven to 350°.
2. 2
   Beat sugars and butter with a mixer at medium speed until well-blended (about 4.
3. 3
   minutes).
4. 4
   Add egg whites and vanilla; beat well.
5. 5
   Lightly spoon flour into dry.
6. 6
   measuring cups, and level with a knife.
7. 7
   Combine flour, baking powder, and salt; stir.
8. 8
   well with a whisk.
9. 9
   Add flour mixture to sugar mixture; beat at low speed just until blended.
10. 10
    Stir in morsels.
11. 11
    Spread batter evenly into an 8-inch square baking pan coated with cooking spray.
12. 12
    Bake at 350° for 28 minutes or until a wooden pick inserted in center comes out clean.
13. 13
    Cool in pan on a wire rack.