In a frying pan, break the eggs and make an omelette. Cut the omelette into small pieces.
In a saucepan, heat the water and cook the noodles as per the instructions on the packet. Strain the prawns and add the pieces of omelette. Set aside.
Cut the chicken into strips and brown in a wok with oil.
Then add the prawns, onions and finely chopped garlic. Mix and cook for 3 minutes. Then add the noodles, balsamic vinegar, soya sauce, salt and pepper. Sautee this mixture for a few minutes, and then serve.