Tomatoes, guanciale, cheese and olive oil are the main ingredients of the Italian Amatriciana sauce as well as pecorino romano.
[['Amatriciana sauce', 'COUNTRY', 'Italy'], ['Amatriciana sauce', 'INGREDIENT', 'Pecorino Romano'], ['Amatriciana sauce', 'MAIN_INGREDIENTS', '"Tomatoes, guanciale, cheese, olive oil"']]