Mix your marinade ingredients in a bowl - add your pork pieces and stir. Set aside.
Mix your sauce ingredients in a bowl - set aside.
Heat up 1 tablespoon vegetable oil in a large skillet over medium high heat. Add the pork, it's marinade and 1/2 of the sauce mixture. Keep cooking until pork is fully cooked.
Add bok choy, mushrooms, bamboo shoots, bean sprouts and remaining sauce with 1/2 cup water.
Cook for about 3-4 minutes until sauce thickens up.
Serve over white rice and enjoy!