Cut the tofu into 2cm cubes.
Finely chop the green onion, garlic, and chili pepper.
Heat cooking oil in a pan and stir-fry the minced pork.
Add the green onion, garlic, and chili pepper and continue to stir-fry.
Season with gochujang (Korean chili paste), doubanjiang (fermented bean paste), soy sauce, and sugar.
Add the tofu and gently stir, letting it simmer for 3-4 minutes.
Add water and potato starch to adjust the thickness.
Stir in sesame oil one last time and finish.