heat oil in a wok over medium heat.
add ground beef and cook until brown in color. Set aside.
with the remaining oil, stir fry doubanjiang sauce. Add black beans, chili power, garlic and grated ginger. Cook for a few minutes.
Add tofu and water. Stir gently and bring to a simmer.
Add cooked ground beef, green onion and simmer for another 5 minutes.
Add salt and sugar to taste.
add cornflour slurry and mix gently till sauce is thickened.
Serve in a bowl and enjoy!
Inspired by Adam Liaw.