Tonidale Dairy World is a hidden secret of Oakdale; from the outside, it looks like your average ice cream parlor. Granted, you still get the requisite PacMan arcade games inside, but you can also find some of the best pizza in Pittsburgh. I love the crusts on their pizzas, and their mushroom pizza is superb (and I hate mushrooms!) Salads are generous and well worth ordering; other appetizers are your standard fried *insert vegetable* or cheese. They are a bit slow in service though, so order ahead for pick up; seating is really limited, so enjoy a slice at home.