Make the dressing - whisk the ingredients and set aside.
Rinse and pat-dry the tofu then cut into 2cm cubes.
Mix the tofu cubes with one Tbsp of the dressing, marinate for a few minutes.
Meanwhile, chop the green pepper, cucumber and salad onions then toss with the salad leaves in a large serving bowl.
Heat a drop of oil in a frying pan. Add the tofu with the marinade and fry for about 10 minutes until golden on each side.
Add the tofu to the salad, then pour over the dressing and toss.
Scatter the sesame seeds on top and serve.