Use Display Posts Shortcode plugin, it provides many possibilities to pull out content (see Available Parameters). In this case, just use it with your selected post type and indicates not to display title or anything. Just so you know, since WordPress 4.9 widget area allows shortcode automatically, so there is no need for user to enable it via function.
Display Posts Shortcode
https://wordpress.org/plugins/display-posts-shortcode/
That was quick, thanks for the reply.
That plugin looks like it will do the trick, I’ll take a look when I get in from work tonight.
This actually worked a lot better than expected, thanks for the heads up