Black Cocoa Powder Cake Recipe | The Best Cake Recipes
WEBMar 10, 2021 · Grease a 9×13 baking pan with cooking spray. Line with parchment paper if you'd like. For the cake, put flour, sugar, cocoa, baking powder, baking soda and salt in a bowl and mix well. In a stand mixer, mix the buttermilk, oil, eggs, vanilla together. Slowly add in the mix of dry ingredients while the mixer is on low.