Step 1 - Mix the oyster sauce, soy sauce, mirin, and chicken thighs together.
Step 2- In a separate bowl, mix together the plum sauce, rice wine vinegar, orange jam, and juice together. This is your orange sauce
Step 3- In a wok, heat your peanut oil.
Step 4 - Once your peanut oil is hot, add your chicken thighs.
Step 5- Once the chicken is browned on each side and cooked through, now add your orange sauce to the chicken.
Step 6- Allow it to simmer for about 5 minutes, so that the rice wine cooks off and you have a tasty thick sauce remaining.
Step 7 - Serve over rice and enjoy!