15 minutes or so. Steaming sweet potatoes can be done by boiling water over high heat, then steaming them over low heat for another 15 minutes or so, until they are soft and cooked through. The first big fire is to let the sweet potato skin become cooked in a short time, and then use small fire to steam the sweet potato, let the sweet potato slowly cooked from inside to outside, so that you can steam the sweet potato sweet, the sweet potato can also be steamed more soft and sticky.

: Sweet potatoes, sweet potato annual herbaceous plants of the family Cyclophyllaceae. It is native to South America and the Greater and Lesser Antilles, and is widely cultivated in tropical and subtropical areas around the world. It is more than 2 meters long, lying flat on the ground diagonally, with leaf blades usually broadly ovate, 4-13 cm long and 3-13 cm wide, and corollas pink, white, lavender or purple, campanulate or funnelform, 3-4 cm long; capsules ovate or oblate