Instructions

  1. Heat oven to 350°F.
  2. Cut margarine into flour and sugar until crumbly.
  3. Press into bottom of 9x13 pan.
  4. Bake for 10 minutes.
  5. Cool on wire rack for 10 minutes.
  6. In large bowl, combine all filling ingredients; mix well.
  7. Spread over partially baked crust.
  8. Return to oven and bake 15-20 minutes or until golden brown.
  9. Cool completely.
  10. In small bowl, blend all frosting ingredients until creamy and spread over bars.