Red Velvet Texas Sheet Cake - Web 4 tbsp cocoa powder 1 cup water ½ cup buttermilk you can also use ½ cup of milk and 1 tsp white vinegar if you don't have.
Web 4 tbsp cocoa powder 1 cup water ½ cup buttermilk you can also use ½ cup of milk and 1 tsp white vinegar if you don't have.