Combine the tamarind, fish sauce, sugar, and lime juice with 1 tbsp water and set aside.
Cook the eggs in 1 tablespoon of oil and set aside.
Add 1 tablespoon of oil to the frying pan. Sear the chicken until golden and cooked through.
Add the prawns to the pan, and cook for about 2 minutes or until they just turn red.
Tip in half of the spring onions, chili, half the coriander, and garlic. Cook for 1 minute until fragrant, then set aside
Heat 1 tablespoon of oil in the wok, then add the noodles and bean sprouts. Stir-fry for 2 minutes until the noodles have separated and everything is heated through.
Add the chicken, prawns, eggs and tamarind sauce. Toss with the noodles until well-coated.
To serve, scatter over the roasted peanuts, remaining spring onions, coriander leaves, and lime wedges.