Wash the soybean sprouts thoroughly and set aside.
Julienne the carrots and onions.
Soak the glass noodles in hot water.
Heat cooking oil in a pan, then stir-fry the onions and carrots.
Add the soybean sprouts and stir-fry until they soften.
Add the soaked noodles and season with soy sauce, sesame oil, and pepper.
Mix everything well and serve on a plate.