Pour water into a pressure cooker. Let boil,
Add wedged onion, ground black pepper, and salt.
Put the beef shank in the pressure cooker. Cover and pressure cook for 20 to 30 minutes.
Remove the beef shank. Set the beef stock aside.
In a clean pot, heat oil.
Saute garlic, onion, and ginger.
Add the boiled beef shank. Cook for 1 minute.
Pour soy sauce and 1 3/4 cups of beef stock (water used to boil beef) into the pot. Let boil. Cover and then cook in medium heat for 8 minutes.
Add star anise. Cook for 12 minutes. Remove the star anise from the pot.
Add brown sugar. Stir. Cook for 3 to 5 minutes.
Add salt and ground black pepper to taste.
Transfer to a serving bowl. Serve with garlic fried rice and beef stock (soup).
Share and enjoy!