Cut the tofu into cubes.
Chop the green onion and garlic.
Heat cooking oil in a pan and sauté the green onion and garlic.
Add the minced pork and stir-fry.
Add red pepper paste, soy sauce, and chili powder, and continue stir-frying.
Add the tofu and water, then boil.
Add the starch slurry to thicken.
Finish with sesame oil and black pepper.