Clean the chicory and remove the outer leaves. Cut the rest of the chicory into bite-sized pieces. Wash and drain the chicory. Clean the lamb's lettuce, wash thoroughly and drain.
Wash and clean the oak leaf lettuce and pluck into bite-sized pieces. Peel onion and cut into half rings. Cut cheese into sticks. Wash the cutlets, dab dry and cut into fine strips.
Heat 1 teaspoon of oil. Fry the meat for about 2 minutes, turning it over. Season with salt and pepper. For the vinaigrette mix vinegar, mustard, salt, pepper and sugar. Beat the remaining oil into the vinaigrette.
Line a plate with the chicory leaves. Arrange the remaining salad ingredients on top. Spread the sauce over it.