Chocolate Cake... The Absolute Best Ever!

Cake:

2 sticks butter, melted
1 cup water
4 tablespoons high-quality powdered cocoa

2 cups sugar
2 cups flour
2 eggs
1 teaspoon baking soda
½ cup sour cream

Heat butter, water and cocoa until boiling. In a mixing bowl, combine sugar, flour, eggs, soda, sour cream. Add butter mixture. Beat with hand mixer. Bake at 3500 in a 10" x 15" greased pan for 20 minutes.

Frosting:

1 stick butter
4 tablespoons cocoa
½ cup buttermilk
½ teaspoon salt
1 teaspoon vanilla
1 box confectioners sugar
Chopped walnuts (optional)

In a saucepan and stirring often, slowly heat all but confectioner's sugar. Remove from stove. Add the box of conf. sugar. Frost cake while the frosting is still hot. Sprinkle with chopped nuts.