Cut komatsuna into bite-sized pieces and julienne the carrot. Place bean sprouts, komatsuna, and carrot in a microwave-safe container, cover loosely with plastic wrap, and microwave at 600W for 1 minute 30 seconds. Drain excess water.

In a bowl, mix the microwaved vegetables with the remaining Namul ingredients to prepare the Namul.

Microwave the frozen udon noodles on a microwave-safe plate according to package instructions, then transfer to serving bowls.

Heat sesame oil in a frying pan over medium heat. Add ground pork and stir-fry until the meat changes color. Add the remaining Soboro ingredients and stir-fry until well combined.