Cut the tofu into 2cm cubes.
Chop the green onions and garlic.
Heat cooking oil in a pan and stir-fry the minced pork.
Add the chopped garlic and green onion and stir-fry together.
Add Doubanjiang, gochujang, soy sauce, and sugar. Mix and stir-fry.
Add the tofu and mix gently.
Pour in water and sesame oil, and bring to a boil.
Add starch water to thicken.
Serve on a plate and sprinkle with black pepper and chopped scallions.