i am from belguim so i can only say wich 1 from here are good
Best Pizza: Fabio's Walibi (used to be six flags)
Best BBQ Food:The BBQ stall near radja river in walibi
Best Pancakes: The pancake stall close to flashback
Best fries and Burgers: all around the park in walibi
Best slushie (my favourite):Every stall that sells them
ok hope that helps you a little more.
And for the guys of theme park review (Rob,Ellissa,...)yes i saw it from ur foto's u like to eat.