Lemonade Cake

Directions

1. 1
   Cream butter and sugar until fluffy.
2. 2
   Add egg yolks, one at a time, beating well after each.
3. 3
   Add lemon rind and lemonade concentrate.
4. 4
   Gradually add sifted dry ingredients, blending well. Add salt to egg whites and beat until stiff.
5. 5
   Gently fold them into batter.
6. 6
   Pour mixture into a well-buttered and lightly floured square pan.
7. 7
   Bake at 350° for 30 to 35 minutes.
8. 8
   Do not overbake.
9. 9
   Cool.
10. 10
    Dust top with powdered sugar or top with lemon flavored whipped cream.