Good Eats Season 5 Episode 9 Art of Darkness II: Cocoa ( Air Date 2002-02-13 ) Genre Comedy, Documentary category. Overview "Alton gets the dirt on Dutch processing and the dead Dutch guy who invented it, choose a few powders then apply them to hot chocolate, brownies, sorbet and homemade chocolate syrup. Recipes: Cocoa Brownies Hot Cocoa Cocoa Syrup".