Clean the duck meat and cut it into bite-sized pieces.
Evenly season the duck meat with pepper and salt.
Julienne the onion and green onion.
In a deep pan, add the duck meat and sear over medium heat until the surface is cooked.
Add onion, green onion, and minced garlic and stir-fry together.
Pour in 100ml of water, cover, and simmer over medium-low heat for 20 minutes.
Check the taste and finish by seasoning with salt and pepper.