Na veel zoeken en frustraties ben ik er uit 🙂

Hier de oplossing van een andere site:

I have had some enquiries about changig the front page from having excerpt of stories to the full story of each post on the front page. It is pretty easy to change, this is how it is done.
Log into the admin of your site.
go to Appearance>Editor>index.php
Find this line
<?php the_excerpt(); ?>
replace it with
<?php the_content(); ?>
save the file.
All the post will be on the front page