Usage patterns
〈さつま芋〉を焼くto roast sweet potatoes
We roasted sweet potatoes on stones and ate them.
〈さつま芋〉を蒸すto steam sweet potatoes
When you steam sweet potatoes, they become fluffy.
〈さつま芋〉を掘るto dig up sweet potatoes (harvest)
In autumn, we dug up sweet potatoes in the field.