Thanks for your reply. It looks like your Edit Options in Cart plugin works with variations. I think this is great, but I’m looking to edit Add-ons.
This will give you a better idea of what I’ll be working on. http://pizza.jellyoot.com/
Currently it uses the Yith Add-ons plugin, but this was only for proof of concept. I’ve looked briefly at extending the Woocommerce Add-ons version of the plugin, but if you can offer an alternative, I’d like to discuss further. Kira has my original email with more details.