All about recipe here

• 3/4 cup flour
• 1/2 cup butter
• 2 eggs

• 1 cup sugar
• 1/3 cup baking cocoa

1. Melt butter in pan over low heat; add cocoa and blend.
2. In a large bowl, mix eggs and sugar; add melted chocolate mixture, flour and nuts. Mix well (batter will be stiff).
3. Put in greased and floured 8 x 8 pan and bake in 350º oven for 20 minutes or until tested done.
4. Recipe may be doubled and put into 9 x 13 pan.