Rinse the tofu in cold water, then pat dry with a kitchen towel.
Slice the tofu into long strips to resemble noodles.
Thinly julienne the cucumber, carrot, cabbage, or other vegetables.
Combine the sauce ingredients (gochujang, soy sauce, vinegar, sugar, sesame oil, minced garlic).
Put the tofu noodles and vegetables into a bowl, add the sauce, and mix well.
Transfer to a serving bowl and sprinkle with sesame seeds to finish.