add to boxed cake

Got this recipe from the internet somewhere and it has not failed me! Taste great and is so moist!!!!
Add ingredients to any boxed cake to make usable for
cake decorating….

add 1 cup sour cream
1 instant pudding mix (flavor of choice… I use vanilla with all)
1/2 cup chocolate chips (if doing a chocolate cake) if not skip this step

add pudding mix to boxed cake mix.  stir up a little..
Put in liquids and mix as directed.
add chocolate chips if applicable….
pour and bake immediately as directed on box. May take a few extra minutes to bake.