Wash the meat, dab dry and cut into strips. Heat 1 tablespoon of oil in a pan. Fry the meat until crispy, turning it over, and season with salt and pepper. Clean and clean the mushrooms and cut them into thick slices.
Heat 1 tablespoon of oil in a frying pan and fry the mushrooms for about 5 minutes, turning them over. Cut mango into slices from the stone. Peel the flesh and cut into slices. Clean and wash the lamb's lettuce.
Clean and wash the chicory and remove a few leaves. Cut out hard stalk and cut remaining chicory into rings. Cut the rolls into very thin slices. Line a baking tray with baking paper, spread with oil and spread the bread slices on top.
Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for approx. 8 minutes, turning once. Peel onion and dice very finely. Mix vinegar, 3 tablespoons water, 2 tablespoons oil and onion, season with salt, pepper and 1 pinch of sugar.
Mix all the salad ingredients, arrange on plates and pour vinaigrette over the salad. Add bread.