TheFork users who ate in Leça da Palmeira have said really good things about Seiva Restaurante, Genuino and Soundwich. Maybe you should give them a try!
Some of the more popular Organic restaurants that offer vegetarian options on their menu in Leça da Palmeira according to TheFork users include:
Seiva Restaurante, with a 9.8 rating
Genuino, with a 8.9 rating
Soundwich, with a 8.2 rating