Cut the kimchi into small pieces. Thinly slice the cucumber diagonally, then cut into thin strips. Cut the thin green onions the same size as the cucumbers.
Boil the soumen according to the directions on the package. Cool with cold water, then drain well.
Put the soumen and the vegetables from Step 2 into the bowl from Step 1 and mix well. Transfer to a plate and optionally top with a boiled egg. Sprinkle on some lemon juice.
If you don't have any mentsuyu, mix together 2 tablespoons of soy sauce and 1 teaspoon of sugar to make some. You can also use some soumen dipping sauce or yakiniku sauce if you like.
Story Behind this Recipe
I wanted to try to make bibimbap noodles with cold noodles, so I tried making it with soumen. You can eat this for a lunch alone or when on a diet.
Thoroughly cool the soumen. If you don't drain it well, it will become watery. You can adjust the amount of kimchi to taste. If you want to have something a little more filling, you can add some thinly sliced yakiniku or roast pork or other meat.