1. Fried bacon with yam: Slice the yam, dice the bacon, stir-fry the chives, ginger and garlic, add the yam and bacon, and stir-fry until the yam becomes soft.

2. Stir-fried tofu with yam: Slice yam, dice tofu, stir-fry chives, ginger and garlic, add yam and tofu, and stir-fry until yam becomes soft.

3. Stir-fried eggs with yam: Slice yam, break up eggs, stir-fry shallots, ginger and garlic, add yam and eggs, and stir-fry until yam becomes soft.

4. Stir-fry celery with yam: Slice yam, dice celery, stir-fry chives, ginger and garlic, add yam and celery, and stir-fry until yam becomes soft.