Method

1 - Halve the roast-beef slices and cut the tomatoes into dices, seasoning them with basil leaves broken into pieces and chopped parsley.

2 - Set a large skillet over medium heat with 3 tbsps extra virgin olive oil and brown the meat slices on both sides.

3 - Add tomatoes with basil and parsley, salt and pepper (to taste). Cook 5 minutes lid on.

4 - At the end add mozzarella cut into chunks and cover agin the skillet to melt the cheese. Serve immediately.