Soak cup noodles in boiling water.
Cut onion, green onion, bell pepper, bok choy, and pork into bite-sized pieces.
Heat cooking oil in a pan, stir-fry garlic, then add pork and cook.
Add vegetables and stir-fry quickly over high heat.
Add soaked cup noodles and Xianguo sauce, then stir-fry everything evenly.
Finish by sprinkling sesame seeds on top.