1. Sichuan peppercorns, star anise, star anise, galangal, Chaotian pepper, and ginger slices. You don’t need too much of each. Just three each of star anise and galangal. A small handful of peppercorns. If you like If you like chili peppers, add more chili peppers. If you can't eat too spicy, add a few less chili peppers.

2. Put the vegetable oil in the pot, heat it until the pot smokes, then put the prepared condiments into the pot and stir-fry until they become fragrant

3. Then Pour boiling water into the pot, put the tofu skewers into the pot, pour in some soy sauce, salt, and thirteen spices. After boiling, slowly simmer until the tofu skewers in the pot are sour and soft and turn off the heat.