Instructions

  1. Combine flour,baking powder and salt in a medium size bowl.
  2. Beat butter,sugar,brown sugar and vanilla in a large mixer bowl until creamy.
  3. Beat in Banana and egg.
  4. Gradually beat into flour mixture.
  5. Stir in chocolate chips.
  6. Spread into greased 15x10 inch jelly roll pan.
  7. Bake in preheated 350 degree oven for 20-30 minutes.
  8. or until toothpick inserted in center comes out clean.
  9. Cool completely in the pan.
  10. Sprinkle with powdered sugar.
  11. Cut into bars.