For the vinaigrette, whisk vinegar, salt and pepper. Add 4 tablespoons of oil drop by drop
Clean the salad, wash and shake dry. Pluck large leaves smaller. Wash and halve the tomatoes. Peel onion and cut into fine strips. Grate Parmesan cheese
Wash the meat, dab dry and season with salt. Heat 2 tablespoons of oil in a frying pan and fry the meat for approx. 6 minutes, turning it over. Season with pepper. Mix the salad ingredients. Cut meat into strips. Arrange salad and meat. Drizzle with vinaigrette and sprinkle with cheese