Add soft tofu and salt in boiling water for just 1 minute.
Mix well minced beef with 1 tbsp soy sauce and ground white pepper.

Heat up a pan with sesame oil and Sichuan peppercorns until fragrant. Pick up the fried peppercorns and set aside.

In the pan add marinated beef and fry until dried and brown. Add doubanjiang, ginger, garlic until fragrant. Then add hot water, 1 tbsp soy sauce, and tofu in and stir well gently. Simmer with lid on low heat for 3 minutes.