Combine water, butter, and oil ... flour, sugar, and cocoa in a mixing bowl; add ... stirring well. Combine buttermilk and soda; stir until soda ... smooth. Pour over cake.
Preheat oven to 375 degrees. Sift together flour, sugar, cocoa, soda and salt. Beat in buttermilk, vegetable oil and vanilla. ... butter. Bake 30 minutes.
Ingredients: 8 (buttermilk .. cocoa .. flour .. oil .. salt .. soda ...)