Blend for a minute. Scrape down from sides and blend again for about 30 seconds.
Scoop out carefully into a lined tray.
Bake for 30 minutes.
Allow to sit in tray for 30 minutes. Then remove to rack. Wait until completely cool before cutting.
Notes:
With preparation time, prep if you have mashed sweet potato on hand then it is only 10 minutes. Preparation time will be approximately 40 minutes if you need to make the mash.
Recipe by Planning With Kids at https://planningwithkids.com/2013/06/11/sweet-potato-brownies/