They actually used real meat to cook it. Unlike the ones in SG, the meat had bones.
Next time must re-visit this place and tasted all their bao.
Wee Hoi 惠海 Kopitiam 
6, Jalan Kacang Panjang, Gelang Patah, Johor
GPS: 1.446838,103.587325
Hours: 6:00am to 5:00pm (closed on Thursday). Bao arrive around 1:30pm and sold out by 2:00pm.