Peel and chop the onion. Clean, wash, halve and thinly slice the fennel. Zucchini clean, wash and cut into thin slices. Peppers clean, wash, quarter and cut into strips.
Wash, clean, blanch, skin and quarter the tomatoes. Wash basil and cut leaves into strips. Cut tofu into 8 slices. Whisk the egg in a deep plate and season with salt and pepper.
Turn the tofu first in flour, then in egg and finally in breadcrumbs. Heat 30 g fat in a pan and fry the tofu slices in it for 3-4 minutes on each side until brown. Keep the tofu slices warm. Heat the remaining fat in a pan.
Fry the diced onions in it until golden brown. Add the vegetables, except the tomatoes, and fry while turning. Add the soy sauce and steam everything in a closed pot at low heat for about 10 minutes. Add the tomatoes and season the vegetables with salt and pepper.
Sprinkle with basil. Put the vegetables on a plate or in a pan and arrange the tofu slices on top. Boiled potatoes taste good with it.