Debbie's Fudge Brownies

Preheat oven to 350° farenheit. Cream together the butter and cocoa. Beat the eggs and sugar together in a separate bowl. Add the egg, sugar mixture to the butter, cream at medium speed for 3 to 5 minutes until smooth. Sift the flour and salt together and add to the creamed ingredients. Mix thoroughly. Add nuts and stir just to distribute. Spoon batter into a greased 9"x13"x2" pan and place on the middle rack of the oven. Bake for approximately 35 minutes, or until top is thoroughly done. Allow to cool slightly and cut into squares. Frost if desired.