Add onion and garlic and saute the pot for 3 minutes.
Add beef and saute for 3 more minutes.
Add soy sauce, Hoisin sauce, brown sugar, ginger and water and stir well.
Close the lid and cook on high pressure for 10 minutes.
When cooking time is complete, wait for a natural release (Or for at least 20 minutes).
Add green onion and stir for 1 minute.
Garnish with cilantro and serve.
Video
Notes
You can go the easy way and just dump all the ingredients to the Instant Pot, cook on high pressure for 10 minutes, wait for a natural release and serve.