Instructions

  1. Preheat oven to 350°F Mix flour, baking powder and salt; set aside.
  2. Beat eggs in large bowl with electric mixer on medium speed.
  3. Add 2/3 cup of the sugar; beat until light and fluffy.
  4. Add vanilla.
  5. Add flour mixture, beating just enough to blend in flour.
  6. Spread batter in greased 13x9-inch pan.
  7. Beat butter, remaining 1/3 cup sugar and cinnamon in medium bowl until light and fluffy.
  8. Drop on top of batter; swirl into batter.
  9. Bake 25 to 30 minutes.
  10. Cool in pan on wire rack then cut into 20 bars, 2 1/2x3-inch each.