Melt butter. Combine cocoa, cornstarch and salt; blend ... until completely cold. (Sauce thickens as it cools.) One serving - (1 tablespoon) free exchange.
Ingredients: 6 (cocoa .. cornstarch .. milk .. salt ...)
Preheat oven to 350 degrees. Sift cocoa and sugar together. Separate eggs; ... with hot "Killer" chocolate sauce on the side. For Killer ... cream cake and serve.
Prepare cake mix as directed on package, adding coffee, cocoa and vanilla. Pour batter into ... on top and chocolate sauce will be on bottom). Note: ... cream or Cool Whip.