Sex In A Pan

Here's Bob's Sex In A Pan recipe (originally from our friend Jami)
Trying to figure out how to make it sf.

1 brownie mix
8 oz. cream cheese
½ c powdered sugar
1 box instant chocolate pudding
Cool Whip
nuts (optional)
Bake brownies according to package and cool.
Mix softened cream cheese and powdered sugar.
Spread on top of brownies.
Make pudding and layer on top of cream cheese.
Cover with Cool Whip.
Sprinkle nuts on top if desired.
Refrigerate.

*Can make homemade brownies or use already made products.