Soak rice cakes in warm water for at least 2 hours. Soak shitake mushrooms in warm water for at least 30 minutes.
In a bowl mix the sauce with soy sauce, oyster sauce, wine, salt, sesame oil, sugar, black pepper, chicken bouillon, Maggi seasoning, lime juice.
Use 2 tbsp of the sauce to marinate the cut chicken for at least 30 minutes.
In hot wok, fry onion, ginger, garlic for 2 minutes.
Add chicken and fry for 5 minutes until chicken turns white.
Add rice cakes and vegetables and mix well.
Add sauce and water and mix. Bring it to boil and let it simmer over low heat for at least 15 minutes covered.
Continue simmering for a few more minutes until the sauce thickens. Taste and adjust.