Diet Chogye Noodles

Boil chicken breast and shred it along the grain.

Thinly slice cucumber and onion.

Blanch tofu noodles in boiling water, then rinse them in cold water using a strainer.

Boil broth ingredients (water, kelp, onion, green onion) to make broth, then let it cool.

Season the broth with vinegar, salt, and mustard to taste.

Put tofu noodles, chicken breast, cucumber, and onion in a bowl and pour in the cold broth.