Cut the pork shoulder into 11/2 to 2 inches thick steaks.
Rinse and dry thoroughly with paper towels.
Mix the barbeque pork sauce, soybean paste, sweet bean paste, and Mei Kuei Lu into a smooth paste.
Rub the marinade into each piece of meat thoroughly for at least a minute.
Cover and refrigerate for 3 hours; bring to room temperature 30 minutes before cooking.
Pre-heat oven to 425F and place a roasting rack on a foil-lined baking sheet.
Place steaks on the rack and add some water to the baking sheet.
Reduce oven temperature to 375F after 15 minutes.
Turn the meat over after 10 minutes.
Mix the liquid cane sugar and the hot water in a deep dish.
Remove the pork after 10 minutes and increase oven temperature to 475F.
Place the meat into the liquid cane sugar so that they become thoroughly coated.
Return the pork to the oven and roast for 5 minutes, turn the meat over and roast for another 5 minutes.