If you really want to learn about Testaccio, it's rich food culture and the people behind it, spend a morning on a food tour with Eating Italy Food Tours. I am not going to give their secrets away, because where would the fun in that be? I can guarantee you will learn some Roman history both ancient and modern, meet plenty of friendly people from the neighborhood and eat. a lot. You will taste some of the best pastries, pizza bianca, salami, mozzarella, pasta, supli, canoli and gelato to be found in the city of Rome. All that and a friendly, funny, passionate and informative guide.
Long time resident, new arrival or just in Rome for a visit, The Taste of Testaccio is an incredibly delicious and informative 4 hours.
Eating Italy Food Tours offers tours Monday-Saturday in Testaccio and Trastevere