・Sweet Potato・・・50g
・Salad Oil・・・125cc
・Vinegour・・・App. 1.3cc

Peel outside of sweet potato, then cut into large pieces, clean it in water, dry it by paper towel.
Without drying, oil wil pop!
Put it into pan, filled with oil 150℃.
The potato comes the surface of the oil and temperature of oil becomes 180℃, take out
the potato.
Put into the hot dish brushed with oil.