3/4 c. flour
1/2 c. cocoa powder
1 1/2 slices soft butter
2 lg. eggs
1/2 c. chopped walnuts (optional)
Pinch of salt
1/2 c. sugar
1 tsp. vanilla

Mix flour, cocoa and salt. In large bowl with mixer, cream butter and sugar. Beat until fluffy. Add eggs. Stir in vanilla. Add flour mixture, then walnuts. Pour in buttered and floured 9-inch pan. Bake at 350 degrees for 25 to 30 minutes or until it pulls slightly from the side.