Wash, clean and slice the tomatoes. Drain the mozzarella and also cut into slices. Wash the meat and dab dry. Heat the oil in a pan and fry the escalopes on both sides for about 2 minutes. Place the schnitzel, tomatoes, bread crisps and mozzarella in a casserole dish like a roof tile.
Season with salt and pepper. Spread butter in flakes evenly on the ingredients. Bake in a preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 20-25 minutes. Wash basil, shake dry, pluck leaves from the stalks and cut into fine strips. Sprinkle over the casserole