Swap out the 1/2 cup of oil with 1/2 cup Libby’s pumpkin puree
Swap the 1 egg for 2 egg whites
add 1/4 cup of water
add the brownie mix and stir well, transfer to 9×9 brownie pan (spray with a little pam)
put a few dollops of peanut butter on top and swirl into batter with knife or fork.