1. Wash the iron stick yam, clean the mud on the skin, and cut into 10 cm long sections

2. Add oil to the pot and heat it to 50% heat

3. Fry the yam segments over low heat

4. Fry until two segments are golden and the yam skin is slightly wrinkled, take it out

5. Wash the pot, add half a bowl of water and 4 tablespoons of sugar. Cook until thickened

6. Add yam and stir-fry

7. Stir-fry until the sugar turns white, reduce the heat and add sugar and stir-fry evenly

8. Hang Frosted yam is out of the pot