This question has options. How would someone go about accomplishing this goal?
To bake brownie cookies,

Choices:
+ roll the chilled mixture into table spoon sized balls, roll them into powdered sugar and cook in the oven for 12 minutes at 350 F..
+ roll the chilled mixture into table spoon sized balls, roll them into powdered sugar and cook in the oven for 12 minutes at 350 F on a cookie sheet..
roll the chilled mixture into table spoon sized balls, roll them into powdered sugar and cook in the oven for 12 minutes at 350 F on a cookie sheet.