In a bowl, combine diced chicken with soy sauce, rice vinegar, hoisin sauce, and cornstarch. Marinate for at least 15 minutes.
Heat vegetable oil in a large skillet or wok over medium-high heat.
Add dried red chilies and stir-fry for about 30 seconds until fragrant.
Add marinated chicken to the pan and cook until browned and cooked through, about 5-7 minutes.
Toss in minced garlic and ginger, cooking for an additional minute.
Add diced bell pepper and stir-fry for another 2-3 minutes until tender-crisp.
Stir in roasted peanuts and chopped green onions, mixing well.
Season with salt and pepper to taste.
Serve hot over steamed rice or noodles for a delicious meal!
