Frosting:
Place first 6 ingredients in a bowl & mix until blended with spoon.
Pour into 13x9 inch cake pan.
Bake at 350°F 35-40 minutes.
For Icing: Mix butter, sugar and evaporated milk together and cook over medium heat until a little thickened. (This usually takes about 5 minutes at a boil).
Remove from heat and add remaining ingredients.
Pour over hot cake.
