Melt 4 squares chocolate, 2/3 ... and nuts (optional). Bake in 9x13 pan at 350 ... Mix butter, coffee, cocoa and vanilla. Add powdered sugar ... Frost bars while warm.
In saucepan, combine sugar, cocoa, butter and evaporated milk. ... waxed paper lined baking sheets. Let cookies cool. Store in covered container in refrigerator.