
Ingredients
FOR THE CAKE:
- 1 cup butter (2 sticks)
- 1 cup hot water
- 4 tablespoons cocoa powder
- 2 cups granulated sugar
- 2 cups all purpose flour
- 1/2 teaspoon salt
- 3 large eggs
- 1/2 cup sour cream
- 1 teaspoon baking soda
FOR THE FROSTING:
- 1/2 cup butter (1 stick)
- 4 tablespoons cocoa powder
- 6 tablespoons milk
- 1 pound powdered sugar
- 1 teaspoon vanilla extract
- 1 cup chopped walnuts (for topping)
Instructions
FOR THE CAKE:
- Preheat the oven to 400 degrees.
- Grease the bottom and sides of a 17×11″ cookie sheet pan.
- In a saucepan, mix the butter, water and cocoa powder. Bring to a low boil.
- Pour the chocolate mixture into a large bowl. Set aside.
- In a small bowl, mix together the sugar, flour and salt.
- Gradually add the dry mixture to the chocolate and mix well.
- Add the eggs and mix well.
- Add the sour cream and baking soda. Mix well.
- Pour into the greased cookie sheet and bake for 20 minutes.
FOR THE FROSTING:
- *Plan to make the frosting about 15 minutes before the cake is done. The cake should be frosted while it is warm.
- Melt the butter in a saucepan over medium low heat.
- Add the cocoa powder and milk. Heat just until the mixture starts to bubble. Remove from the heat.
- Using a hand mixer, gradually beat in the powdered sugar and vanilla until completely blended.
- Spread the frosting on the cake as soon as it is out of the oven.
- Allow the cake to cool completely.
- Store any leftovers in an airtight container.