unlocks so much of italian cooking. a simple combination of carrots and celery and onions. fry up together, it is called the sofrito. it is the base of countless dishes including today's offering. a tucci's favorite. salsa de la rosa. it is cheap and nutritious and full of ta tomatoes. >> i make it often. every time my mother comes to visit which is too often. and i always go can you show me how to make this? mine does not turn out the way hers turn out. i don't get it. >> i think that's it, stan.