Potatoes
Cut the potatoes into thin round slices and set aside.
Cut the onion into thin strips.
Also cut the chicken breasts into cubes.
Transfer the chicken cubes to a bowl and season them with the salt, the black pepper, the sweet paprika and the oil, mix well and set aside.
Transfer the potatoes to a bowl and season them with the salt, the black pepper and the oil, mix well.
After that, get the aluminum foil lunch boxes and make a layer with the onion strips.
Make another layer with the potato slices and finally, add the chicken cubes.
Cover the lunch boxes and put them on a nonstick baking tray.
Take to a preheated oven at 200°C (392°F) and bake for 25 minutes.
Meanwhile, in a bowl, add the medium diced tomato, the grated mozzarella cheese, the egg and the mayonnaise, mix very well.
Pour this creamy dressing over the chicken in the lunch boxes.
Take them back to the preheated oven at 200°C (392°F) and bake for another 15 minutes.
Serve.