Ingredients
Equipment
Method
Step-by-Step Instructions
- Preheat your oven to 350°F (175°C) and grease a 10x15-inch sheet pan.
- In a large mixing bowl, whisk together all-purpose flour, granulated sugar, salt, and baking soda.
- In a saucepan over medium heat, combine unsalted butter, water, and unsweetened cocoa powder. Stir until smooth.
- Pour the chocolate mixture into the bowl of dry ingredients, then add buttermilk, eggs, and vanilla extract. Mix until smooth.
- Transfer the batter into the prepared pan and bake for 18 to 22 minutes.
- In a saucepan over low heat, melt together butter and peanut butter. Mix in milk, then add powdered sugar and vanilla.
- Pour the warm frosting over the baked cake and spread it evenly. Allow to cool for 30 to 45 minutes before serving.
Nutrition
Notes
This cake can be stored covered at room temperature for up to 2 days or refrigerated for up to 5 days. Freeze individual slices for up to 3 months.
