Cut the tofu into 1 cm cubes.
Chop the ginger, spring onions and garlic.
Heat the sunflower oil in a frying pan, then stir-fry the tofu cubes until golden all over. Add the ginger, garlic and spring onions, then fry for another minute.
Add the beans, the soy sauce, mirin and rice vinegar. Cook for 5 minutes under a lid. Stir in the sesame oil and, then the rice and coriander leaves.
Taste and season to your liking - you might need to add a bit more soy sauce.
Fold in the radishes and coriander leaves, then serve with a drop of lime juice and garnished with sesame seeds.