Texas Sheet Cake with Frosting

1 C butter
1 C water
1/4 C cocoa
2 C sugar
2 C flour
1/8 t salt
2 eggs
1 t baking soda
1/2 C sour cream
1 t vanilla
Chopped Pecans

Combine butter, water and cocoa in saucepan over medium heat; heat until butter melts. Add sugar, flour, salt, eggs, soda, sour cream & vanilla; mix well. Pour into a 15x10x1 jelly roll pan. Bake at 350 for 20 minutes. Spread frosting over hot cake and sprinkle with chopped pecans.

For Frosting combine 1/2 C butter, 1/4 C cocoa and 1/4 C plus 2 T milk in a saucepan; bring to a boil. Add 1 box (1 LB) confectioners' sugar, sifted (4-1/4 Cups Sifted), 1/2 t vanilla; mix well with electric mixer. Spread over the hot sheet cake then sprinkle with chopped pecans.