1Cook the noodles according to the package instructions, then drain and set aside.
Heat a tablespoon of oil in a large pan over medium heat.
Add the chopped onion to the pan and sauté until translucent.
Add the mixed vegetables and diced tomato to the pan and stir-fry for about 5 minutes.
Add the cooked noodles to the pan and mix well with the vegetables.
Pour the soy sauce over the noodles and vegetables, and sprinkle with black pepper.
Stir-fry everything together for another 2-3 minutes until well combined and heated through.
Serve hot and enjoy your Vegetable Stir-Fried Noodles.