Peel sweet potatoes and steam with 2 cups of water to soften it.
Let the steamed sweet potatoes cool slightly, add sugar while it is still lukewarm, and use a fork to mash it.
Add two kinds of powders, mix well with a fork or spatula, knead the contents into a dough by hand.
Knead the sweet potato ball material into a uniform ball shape.
Heat the oil on high heat, turn to low heat and put sweet potato balls in the pot.
Continue to heat on a small fire, wait until the sweet potato balls all float, turn to medium heat, and then fry for 1 minute and 30 seconds.
After 1 minute and 30 seconds, turn to high heat and start to squeeze sweet potato balls with a colander.
Continue to deep fry and squeeze the sweet potato balls until they are golden yellow.
Then quickly pick up them and place them on absorbent paper. It's done!
