Created by lazyme on March 9, 2015
Step 1: Combine firsts 4 ingredients, stirring until blended.
Step 2: Combine flour, baking powder, and cocoa; stir into sugar mixture. Fold in walnuts.
Step 3: Spoon into a lightly greased 9-inch square pan.
Step 4: Bake at 325 for 30 minutes or until a wooden pick inserted in center comes out clean; cool on a wire rack, and cut into squares.