Wash the chicken with the lime juice. Drain and dice. Set aside.
Mix the cornstarch and water. Set aside.
Heat oil and saute the onion and ginger.
Add the chicken and cook until tender and changes colour.
Add water, salt, sesame oil and sugar. Simmer for 2 minutes.
Then add the cornstarch mixture, sweet pepper and black bean sauce and simmer for about 2 minutes.