Rinse the tofu noodles in cold water and drain.
Julienne the cucumber and carrot.
Blanch either buckwheat or tofu noodles in boiling water, then cool.
In a bowl, combine the tofu noodles and vegetables and mix well.
Add the sauce (soy sauce, vinegar, sesame oil, chili powder, etc.) and toss thoroughly.
Top with boiled egg and seaweed flakes as desired.