1 lb chicken breasts or thighs sliced against the grain into 1/4-inch thick pieces

1 tbsp light soy sauce for marinade

1 tbsp Shaoxing wine or dry sherry

for marinade

1 tbsp cornstarch for marinade

0.5 cup chicken broth

2 tbsp light soy sauce for sauce

2 tbsp Shaoxing wine or dry sherry

for sauce

2 tsp dark soy sauce

1 tbsp cornstarch for sauce

1.5 tbsp sugar

2 tsp coarsely ground black pepper

0.125 tsp salt

2 tbsp peanut oil or vegetable oil divided

1 tbsp fresh ginger minced

2 cloves garlic minced

0.5 white onion chopped

2 bell peppers chopped

mixed colors