Chocolate Walnut Squares

Directions

1. 1
   In a mixing bowl, cream butter and sugar.
2. 2
   Beat in eggs and vanilla.
3. 3
   Add flour and salt; mix well.
4. 4
   Fold in walnuts.
5. 5
   Spread half of the batter into a greased 13x9 in pan.
6. 6
   Add chocolate to the remaining batter; mix well.
7. 7
   Carefully spread over the batter in the pan.
8. 8
   Bake at 350 for 30-35 minutes.
9. 9
   Cool completely.
10. 10
    Frosting:Mix flour and milk in saucepan.
11. 11
    Cook and stir on medium heat until a thick paste forms, about 10 minutes.
12. 12
    Cool Completely.
13. 13
    In a mixing bowl cream butter and sugar.
14. 14
    Add vanilla and mix well.
15. 15
    Gradually add the milk mixture; beat for 5 minutes.
16. 16
    Frost cake.
17. 17
    Store in the refrigerator.