Zachary's is delicious. Zachary's is best known for its Chicago-style "stuffed" pizza, and it's amazing. It's better than most stuffed pizza in Chicago. To be clear, this is not "thick crust" or Sicilian-style (like Pizzeria Uno's), but rather stuffed. It's like a pie, stuffed with the toppings of one's choice, with a delicious crust and a savory tomato sauce that's difficult to top. Zachary's also has thin crust pizza, which is good, but not as amazing as its stuffed pizza.
It's definitely an Oakland tradition. This is coming from a local. I take all people who visit the Bay Area to Zachary's. No one has ever been anything other than blown away.
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC.