Heat oil in a pan, put the tofu cubes covered with sweet potato powder, and fry one by one (using medium heat), do not turn it, wait until the outer layer is set, then turn the tofu over and fry it until the surface is golden and then turn the fire into medium-high heat deep-frying again for 30-40 seconds can make the skin more crispy, and take it out and drain the oil. .
It's best to sprinkle some seasonings or dip it with garlic soy sauce according to personal preference.