Source: telegraaf.nl

http://www.telegraaf.nl/buitenland/22254744/__Happy_Meals_met_heroine__.html

de medewerkster – female employee, female staff member
betrappen – to catch
middels – by means of
vervolgens – then
aantreffen – to find, to come across;
afgeven – to hand in (brief), to deliver
vermengen – to mix, to blend