Hi Harry
Thanks for getting back on this.
I should have explained this in my previous post. The RECOMMENDED FOR YOU block by default is set to show only the "Trending" content (popular content) which in your case may be empty being the fresh site.
To change the default RECOMMENDED FOR YOU block settings, click on the cog symbol in the top right corner of the block (as shown in the attached image)
Then click on "Configure Recommended for you block", and on the resultant page expand the "Custom block settings". From here, you can choose what type of "recommended content", you would like to see in the RECOMMENDED FOR YOU block. In your example, I would select "Workspaces" to show in this RECOMMENDED FOR YOU block (as in the attached image)
Please also note that the recommendations for users in case when there is very little data (as in your case) may not be as useful. For example, if you decide to show 10 Workspaces in one of the RECOMMENDED FOR YOU block when there were just 10 workspaces in total, each user will be recommended with the list of entire 10 Workspaces but ordered according to their taste (gathered from the users past interactions with the content, users profile data and the content data). So a good strategy here might be selecting fewer items to display (in the block settings) and extend this number as the site grows.
I hope this helps. Looking forward to hear back how it went for you.
Regards,
Amjad