You can allow your customers to filter products on your online store by menu sections.
Requirements
You need to Tag items based on menu section in Zapiet Eats > Settings > Text and design.
You need to have Shopify Search & Discovery app or any similar app installed to your store.
You need to have a filter by tag added in Shopify Search & Discovery.
Add filter in Shopify Search & Discovery
In Shopify Search & Discovery, click Filter, then Add filter.
In the Source field, select Tags.
By default, the Filter label is set to “More filters”. You can change it, if needed.
Set logic to OR condition.
Select all applicable tags.
Click Save.
Show filters on your online store
In Online Store > Themes tab, click Customize next to the theme you want to edit.
Click Home page, then Collections.
Click Default collection.
Click Product grid.
Tick Enable filtering.
Click Save.
Now your customers will be able to filter products by menu sections.