2 c. sugar
1 c. flour
1 tsp. Calumet baking powder
1 dash of salt
4 eggs
4 bars unsweetened chocolate
1/4 lb. butter
1-2 c. walnuts
2 tsp. vanilla

Melt chocolate and butter together. Mix sugar, flour, baking powder and salt. Add eggs, vanilla, and melted chocolate and butter. Fold in walnuts. Pour mixture in a greased and lightly floured 13 x 10 inch pan. Bake at 350 degrees for 25-30 minutes.