To the same wok pan, add the onion, peppers and ginger. Stir well and after 3 minutes add the cooked chicken. Toss and turn and after 3 minutes move the mixture to the other side of the wok pan. Then add the bean paste, water, sugar, vinegar and remaining of the chicken juices + marinade. Mix the liquids until it becomes saucy, then combine it with the onions, peppers and chicken. Stir for another 3-5 minutes, add the spring onions and turn off the heat. Serve immediately!