Soak the sweet potato vermicelli in hot (not boiling) water for 25 minutes.
15 g sweet potato vermicelli
Wash the green chili peppers thoroughly, slit each on one side, and remove the seeds.
5 green chili peppers
Microwave the firm tofu for 2 to 3 minutes to draw out excess moisture.
100 g firm tofu
Finely chop the shiitake mushrooms, onion, and carrot; finely cut the drained sweet potato vermicelli; combine with the ground pork.
200 g ground pork, 4 fresh shiitake mushrooms, 0.5 onion, 20 g carrot
In a large bowl, combine the pressed tofu, salt, black pepper, minced garlic, Shaoxing wine, and the egg, then knead by hand until a smooth, cohesive filling forms.