Ingredients
Equipment
Method
Preparation
- Preheat your oven to 350°F (175°C). Grease a 9x13 inch baking dish with butter or non-stick spray.
- In a small saucepan, melt 1 1/2 sticks of unsalted butter with 6 ounces of espresso over low-medium heat.
- Add 1/2 cup of cocoa powder and a chopped dark chocolate bar to the melted mixture and stir until smooth.
- In a large bowl, whisk together 1 1/4 cups of light brown sugar, 1/2 teaspoon of kosher salt, and 1/2 tablespoon plus 1 teaspoon of bourbon vanilla extract.
- Pour the warm chocolate mixture into the sugar mixture, and whisk until combined.
- Add 3 large eggs and 2 egg yolks to the mixture and whisk until glossy.
- Sift in 1 cup of all-purpose flour and 1/2 tablespoon of baking soda, and gently fold the dry ingredients until just combined.
- Pour the batter into the prepared baking dish and bake for 22-25 minutes.
- Allow the cake to cool completely in the baking dish on a wire rack.
Frosting
- Brown 1/2 cup of unsalted butter in a saucepan over medium heat.
- Transfer the browned butter to a mixing bowl, add 4 cups of powdered sugar and 3 tablespoons of cold heavy cream, and whisk until smooth.
- Frost the cooled cake evenly with the brown butter frosting.
Nutrition
Notes
Store leftover cake in an airtight container. It stays fresh at room temperature for up to 3 days or up to a week in the fridge.