Instructions

  1. Mix egg white and milk.
  2. Add lemon juice.
  3. Add margarine.
  4. Set aside.
  5. Combine flour,baking powder,baking soda,salt,poppyseeds and lemon zest.
  6. Mix with milk mixture.
  7. Add vanilla.
  8. Pour into greased 8 inch square pan.
  9. Bake at 350F for 30 minutes.
  10. While still warm sprinkle with powdered sugar.