Poke holes into the meat side of the pork belly with a fork and score the skin side of the pork belly with a sharp knife.
Mix together bean curd, pepper, five spice powder, sugar, salt, soy sauce and rice wine to form a thin paste. Rub into meat side of pork belly
Place pork belly in a tray skin side up. Wipe off any marinade that may have gotten on the skin. Refrigerate overnight at least 8 hours but up to 24
Preheat oven to 400 degrees once ready to roast.
Let meat sit and come to room temp before roasting. Cover skin with layer of salt about 1/4 inch thick.
Place pork on a wire rack atop a lined baking sheet. Add warm water to the tray before roasting to keep the meat moist. Roast in the middle rack of the oven, about 45 minutes or until the salt has turned golden brown and started curling up at the edges.
Take pork out and remove salt layer with an offset spatula or knife. Return to oven on top shelf to let skin bubble up and crisp, about 45 minutes.
If skin is crisping unevenly or starts to burn, cover those areas with foil and continue to bake
Use the broiler for 2-3 minutes as necessary to get an even crisp on the skin
Let meat rest for 20-30 minutes before slicing