"This cake. It is absolutely, without a doubt, THE best chocolate sheet cake ever...."
For the Cake:
flour
sugar
salt
(heaping) cocoa
sticks butter
boiling water
buttermilk
whole beaten eggs
baking soda
vanilla
For the Frosting:
finely chopped pecans
stick butter
(heaping) cocoa
milk
vanilla
(minus 1/2 cup) powdered sugar