To get the best flavor and texture, brine the pork in saltwater overnight before adding the marinade.
Many cuts of pork can be used to make Char Siu. For the most tender, juicy and fattiest version, use pork belly without the skin. If you prefer a good balance between meat and tenderness, use a well-marbled pork butt or boneless pork ribs. For the lean version, use pork loin. The pork can be roasted on an outdoor grill or in an oven.