Mix cake mix, 1 egg and 1 stick melted butter and
press in bottom of 9 x 13 dish.
Mix melted cream cheese, melted butter and 2 eggs.
Then add sugar, cocoa and vanilla and mix.
Add 1 cup chopped nuts and mix.
Pour on top of cake mixture.
Bake at 350 for 40-45 min. Cool before cutting.