1. Boil water in a pot. Add a bit of oil and salt to the water. Cook the spaghetti for about 7 minutes until cooked. Drain and set aside.
2. Heat a pan with olive oil. Add mushrooms and tomatoes, stir-frying then add the prawns and continue stir-frying.
3. Add cooked spaghetti, coarse black pepper, mushroom seasoning, and balsamic vinegar. Stir-fry until fragrant and well combined.
4. Ready to serve.