TheFork users who ate in Kamperland have said really good things about Atzeetra, Bar Bistro DuCo Middelburg (by Fletcher) and Geeta's. Maybe you should give them a try!
Some of the more popular Vegan dishes restaurants that offer vegan options on their menu in Kamperland according to TheFork users include:
Atzeetra, with a 9 rating
Bar Bistro DuCo Middelburg (by Fletcher), with a 7.7 rating
Geeta's, with a 8.8 rating