Twenty-Minute Chocolate Cake

• 1/2 cup butter, cubed
• 1 cup water
• 1/4 cup baking cocoa
• 2 cups all-purpose flour
• 2 cups sugar
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 2 large eggs, beaten
• 1/2 cup buttermilk
• 1 teaspoon vanilla extract
• 3-3/4 cups confectioners' sugar
• 1/3 cup whole milk
• 1/4 cup butter, melted
• 1 teaspoon vanilla extract
• 1/2 cup chopped walnuts

1. In a microwave-safe bowl, melt butter with water and cocoa. In a large bowl, combine the flour, sugar, baking soda and salt. beat in the chocolate mixture; stir in the remaining ingredients.
2. Pour into a greased 15x10x1-in. baking pan. Bake at 350u0b0 for 20 minutes or until a toothpick inserted in the center comes out clean. Place on a wire rack.
3. Meanwhile, in a small bowl, combine the first four frosting ingredients. Stir in nuts. Pour over warm cake; spread to cover cake.

butter, water, baking cocoa, flour, sugar, baking soda, salt, eggs, buttermilk, vanilla, sugar, milk, butter, vanilla, walnuts

Taken from www.tasteofhome.com/recipes/twenty-minute-chocolate-cake/ (may not work)