1Place noodles in a large heatproof bowl and cover with boiling water. Soak for 5 mins to soften. Drain well.
2To prepare sauce, whisk coconut milk, paste, fish sauce and sugar together in a small jug. Microwave on high for 1 min. Add lime juice. Season to taste.
3In a large bowl, combine prawns, tofu, snow peas and onion with half sauce. Toss to combine.
4Divide noodles among 4 bowls. Top evenly with dressed prawn mixture. Sprinkle with sprouts, mint and fried onions. Accompany with remaining sauce and extra lime wedges.
Photo: Bauer/Rob Shaw