Сut the onion and bell peppers into strips.
Cut the chicken into cubes. Season with salt and pepper.
Heat 1 tbsp sesame oil in a large skillet or wok over medium-high heat. Cook the chicken cubes until golden brown. Transfer to a plate.
Pour 1 more tbsp of sesame oil, and saute the minced ginger, and garlic until fragrant.
Add bell peppers and onion. Cook for 5-10 minutes until soft.
Return the cooked chicken to the skillet. Cook for 2-3 additional minutes.
In a small bowl, mix soy sauce, rice vinegar, cornstarch, coconut sugar, honey, black pepper, and chili pepper flakes until well combined and the sugar dissolves
Pour over the chicken and vegetables. Cook until the sauce thickens, stirring occasionally.
Turn off the heat. Sprinkle with sesame seeds and green onions. Enjoy!