Beat the egg in a bowl. Season it with salt and pepper. In another bowl mix the panko with parmesan cheese
Bread the chicken slices by dipping it into the egg mixture and then in the breadcrumb mixture
Make a tomato sauce. Cut a small onion, cook it in a pot with olive oil. Add oregano, thyme, rosemary, basil and tomato paste. Add the cherry tomatoes and let this simmer
Cook the breaded chicken in a pan with olive oil. Meanwhile cut the mozzarella and preheat the oven at 180°C (also turn on the grill)
When the chicken is cooked halfway, put it on a baking tray and cover it with a little bit of tomato sauce and mozzarella slices. Cook it in the oven until the chicken is cooked
