Combine all ingredients for the marinade. Add to a gallon-sized ziploc bag. Add chicken. Let marinate at least 4 hours (up to 12 hours).
In a large saute pan over medium heat, add oil, fresh ginger, and garlic. Cook for 3 minutes then add chicken thighs to pan (reserve marinade). Sprinkle with half of parsley. Cook for 5 minutes then flip and sprinkle with remaining parsley. Add reserved marinade to pan and cover, cook for 30 minutes.
Add rice ingredients to a saucepan over medium heat. Cover and cook for 17 minutes. Turn off heat and DO NOT remove lid until ready to serve.
Remove chicken from pan and keep warm. Combine corn starch with 2 tbsp warm water. Add slurry to pan sauce and whisk until well combined. Cook another 3 minutes to thicken.
Serve chicken over protion of rice with pan sauce ladled over top.