There are three places in the Campus where you can have a meal:
1) INEGI’s Restaurant: in INEGI’s building, on the first floor, buffet, suitable for vegetarians, 10€
2) FEUP’s cafeteria: nearby the Entrance, external building to the right, canteen, 3 different dishes with vegetarian choice, 5€
3) Library’s bar: in the “Biblioteca” building, nearby the end of the main corridor, opposite side from the Entrance, sandwiches and beverages, 3.5€