it's not a simple recipe where you open the package, add oil, mix and bake.  but for a martha recipe, it was simple. 

first i had to chop dark chocolate:
 

then i mixed the flour ... recipe called for cayenne pepper ... interesting:
 

then this is where i was suppose to take a picture of the two bowls together, one chocolate, one pumpkin. 

pour both batters into dish (chocolate first, pumpkin second), swirl with knife to slightly blend:
 

bake.  dont they look delicious? 
 

and yes, they are delicious!  couldnt resist. 

this will probably be added to the list of recipes to make with each fall season.