Cook the udon noodles according to packet instructions (ere on the side of less, they go soft quickly). Refresh under cold water.
Cook the tofu over medium-high heat in a non stick pan until browned on most sides.
When the zucchini are done, turn off the heat and add the noodles, herbs, spring onion and dressing. Gently toss together.
Serve up with the tofu, fried shallots and sesame seeds. Also very good with a soft boiled egg on top.