Cut the bacon slices into pieces. Clean the salad, wash and pat dry. Cut Batavia into strips. Clean, wash, quarter, seed and cut tomato into small cubes. Drain the bacon in a pan without fat, remove from the pan and set aside.
Deglaze frying fat with vinegar and 50 ml water. Season to taste with salt, pepper and sugar. Whip the oil into it. Mix salad and tomato and arrange on four plates. Drizzle vinaigrette over it and sprinkle with pepper.