Chocolate Fudge Squares

1 Cup shortenening
2 Cup Sugar
1 Cup nuts
1 cup milk
4 eggs separated
1 tsp vanilla
1 1/2 -2 cup flour
1/2 tsp salt
6 tbsp cocoa

Cream shortening and sugar.  Add egg yolks.  Sift dry ingredients together.  Add alternately with milk and add nuts.  Beat egg whites stiff and fold into batter last.  bake 20-25 min at 350.  Ice with Chocolate Icing