I understand. So basically my evergreen content page can be domain.com/chocolate-ice-cream (targeting "chocolate ice cream")
My blog post page can then be domain.com/blog/top-10-chocolate-ice-creams, which is in effect targeting for "Top 10 Chocolate Ice Creams". Additionally, within the post it would be ideal to reference and link to the evergreen content page as is appropriate.
This method would in effect be targeting the keywords:
- chocolate ice cream
- Top 10 Chocolate Ice Creams
By doing so this will help the site rank for these 2 terms, and overall for the head term Chocolate Ice Creams.