A minor is a ready-to-go package of courses. The minors offered in Wageningen, you can find on the following site: https://www.wur.nl/en/Education-Programmes/BSc-Minors/List-of-BSc-minors.htm. You can also choose your own courses to do a custom chosen minor, which you should discuss with your study advisor. It’s also possible to do your minor abroad. To see the offer, you should consult the site of the university you’re interested in.
You can also check the blackboard page ‘Food Programmes Information Site’.