To CookIn a wok, heat oil over medium high heat. Sauté garlic until aromatic. Throw in prawns and fish balls and fry until half-cooked. Push them aside and crack in eggs. Gently stir the egg mixture and leave it to cook slightly for about 30 secs. Then combine well with the prawns and fish balls. Dish out and set aside. Put in red chilli paste and shrimp paste and sauté until aromatic about 2-3 mins. Add in water and tomatoes. Bring down to a simmer and cook for 1 min. Toss in water spinach, noodles, prawns, fish balls, sweet soy sauce and soy sauce. Stir to mix well. Put on the lid and allow to simmer over low heat for 2 mins. Do a taste test and add more soy sauce if needed according to your preference. Finally, add in beansprouts and give a quick stir. Remove from heat if you like crunch beansprouts. If you like them softened, cook for another 1 min. Transfer to serving plate and enjoy.