Place trimmed chicken breast and lemongrass in a fry pan and cover with water. Gently poach for approx 15 minutes until tender and cooked through. Stand chicken for 5 minutes. Then finely shred meat and lemongrass (reserve for dressing).
Soak noodles in large bowl filled with boiling water for 2 minutes or until separated.
Combine noodles, shredded chicken, julienned vegetables, toasted peanuts, sesame seeds and fresh herbs. Toss through dressing.
Serve and enjoy!