Cut the tofu into 1.5cm cubes.
Finely chop green onion, garlic, and ginger.
Heat cooking oil in a pan and sauté green onion, garlic, and ginger.
Add ground pork and stir-fry.
Add chili oil, doubanjiang, soy sauce, and sugar, then stir-fry.
Add tofu and water, and bring to a boil.
Season with tuna sauce or salt to taste.
Add cornstarch slurry to thicken.
Serve in a bowl, topped with Cheongyang chili peppers and green onion.