Cook the Egg noodles or Rice noodles according to the packet instructions. Drain and set aside.
Heat 1 tbsp Vegetable oil in a wok or large pan over medium-high heat.
Add the Firm tofu and cook for 4–5 minutes until golden. Remove and set aside.
Add the remaining Vegetable oil to the pan.
Add the White onion, Carrot and King oyster mushroom. Cook for 3–4 minutes until softened.
Add the Garlic and cook for 30 seconds until fragrant.
Add the White cabbage and Mangetout and stir-fry for 1 minute.
Return the Firm tofu to the pan.
Add the cooked noodles and toss well.
Stir in the Light soy sauce and Dark soy sauce and cook for 2 minutes, tossing continuously.
Season with Cracked black pepper and Sriracha or Chilli paste to taste.