Season the rump steak and cook to your desired liking. Set aside and allow to cool. In a separate bowl, prepare the dressing by mixing all of the dressing ingredients and set aside.
Place the noodles in some boiling water and cook until just soft. Remove the noodles from the water and set aside. Drizzle some sesame oil over in order to prevent the noodles from sticking together.
Slice up the tomatoes andcucumbers. Pick the leaves from the mint, basil and coriander. Toss the salad together and dress before serving. Sprinkle the crushed peanuts over the salad to garnish.