I know a simple way, but thats not with mautic . I guess you want indeed to proceed with mautic, so i hope other people can help you out.
When i speak for myself, i have bought 3 modules for handling my abandoned carts. They work, but i was not satisfied about the email content. Nowadays i just handle it with Mailchimp, and i am very happy with it. The email templates are nice and clean. The content of the abandoned cart is displayed, as well as some recommendations. So i am using this feature with hapiness.
Also the possibility to segment the abandoned carts(and other email marketing campaigns) are realy great!