Heat salad oil in a frying pan over medium heat, add sliced pork, and stir-fry until the color changes. Add stir-fry vegetable mix and cook until softened.

Season the stir-fried pork and vegetables with salt and pepper, mixing well.

Boil water in a pot, add somen noodles, and cook according to package instructions. Drain and rinse under cold water, then set aside.

In a pot, combine water, salt, chicken stock powder, and pepper. Heat over medium heat until boiling.