Ho to create Canteen order form using configurable list

Thank you for contacting us. It is possible to increase the number of students you want to order for them food at the canteen by using the Configurable List widget.

Below is a guide on how you can use this list:

https://www.jotform.com/help/282-How-to-Set-Up-the-Configurable-List-Widget

Also see demo form below I have created based on your form's clone. Feel free to clone and use it.

https://form.jotform.com/73073394725966

I hope the information above resolves the concerns you raised.