1. Burning yam: Peel yam, cut into pieces, put it in a pot, add a little water, add a spoonful of salt, and cook over medium heat until the yam becomes soft.

2. Boil yam: peel yam, cut it into pieces, put it in a pot, add appropriate amount of water, add seasoning, cook it on medium heat, and eat it after cooling.

3. Steamed yam: Peel the yam, cut it into pieces, put it in a steamer, add a little water, add a spoonful of salt, steam it over high fire, and let it cool before eating.

4. Stir-fry the yam: peel the yam, cut it into pieces, put it in a pot, add a little water, add a spoonful of salt, put oil, stir fry over medium heat, and let it cool, then serve.

Summary: The most nutritious way to eat yam is to burn, boil, steam and stir-fry, which can not only maintain the nutrition of yam, but also soften the texture of yam and make it easier to digest and absorb.