Buy the 2015 Old Farmer's Almanac!
Just Microwave the SweetJust Microwave the Sweet Potatoes; then peeling and mashing is easy. The time would depend on the size of the potatoes; but would still be faster.

2015 Special Edition Garden GuideCooking Fresh with The Old Farmer's AlmanacThe Almanac Monthly Digital MagazineWhat the heck is a Garden Hod?