Preparation Steps

• Preheat the oven to 350°F (175°C) and grease a 9x13 inch baking pan.
• In a large bowl, whisk together flour, sugar, and salt.
• In a saucepan over medium heat, bring butter, boiling water, and cocoa powder to a boil, stirring continuously. Pour over the dry ingredients and mix well.
• Add buttermilk, eggs, baking soda, and vanilla extract to the mixture and whisk until smooth.
• Pour batter into the prepared pan and bake in the preheated oven for 25 minutes, or until a toothpick inserted in the center comes out clean.
• Let the cake cool before slicing and serving.