Prepare ingredients such as beef, onion, bean sprouts, and cilantro.
Boil the rice noodles in boiling water for 3~4 minutes.
Heat cooking oil in a pan and stir-fry the beef.
Add beef, onion, bean sprouts, and rice noodles to boiling water and cook for 1~2 minutes.
Finish with sauce and herbs (such as cilantro).