Mix together ingredients for the braising sauce. Set aside.
Season chicken leg pieces with salt and pepper.
Heat deep skillet on high heat. Add in oil. When oil is shimmery, add in chicken pieces and allow to sear, about 3 mins each side.
Then add in a ginger and garlic. Saute for 1-2 minutes until you smell their fragrance. Then add in sauce.
Allow to simmer on medium heat for 15 minutes with the lid on. After 15 minutes, flip the pieces of chicken over to allow the other side to absorb the sauce. Simmer for another 15 minutes.
After 30 minutes of cooking, remove the lid. Raise the heat to high to allow the sauce to thicken, about 10 minutes. When sauce has thickened enough to coat the chicken, add in basil, green onion, and 1 last tbsp of sesame oil. Allow to simmer for another 2 minutes.
Taste for seasoning. Dilute with water if too salty. Add in soy sauce, oyster sauce, or salt if it needs more flavor.
Serve with steamed jasmine rice.