Lunchroom Ladies 50 year old recipe

1 c butter
1/2 c cocoa,
2 c flour,
2 c sugar,
4 eggs,
4 tsp vanilla,
1 c chopped nuts

Directions :

Pour in 9×13 pan, bake 20-25 mins on 350.Check at 20 mins**Icing*1/4 c softened butter ¼ c can milk (regular milk is fine)1/4 c cocoa,3 c powdered sugar, dash salt, Mix all together & frost as desired.