1. Prepare the sauce in advance (ketchup, sugar, starch, water)
2. Crispy tofu, bought directly from the vegetable market, chopped garlic, spring onion, and chili
3. Heat oil, add garlic and chili until fragrant
4. Pour the sauce and bring to a boil
5. Add tofu, paste the sauce on both sides, bring to a boil, a little light soy sauce, then serve
6. Sprinkle with chopped green onion
7. White sesame seeds, ready to eat
