Odoo is the world's easiest all-in-one management software.
It includes hundreds of business apps:
I see restaurant owner can achieve this:
https://www.odoo.com/forum/help-1/question/how-to-keep-track-of-inventory-in-a-restaurant-95978
But is it technically possible to allow customers to do the same?
Would it cause too much burden on the service (I guess storage query will be bottleneck)?
You could extend the module website_sale in order to display the products contained in the BoM. But you can also simply put it into the description, because the "technical" BoM might not exactly be what your customer wants to see.
1. Use the live chat to ask your questions.
2. The operator answers within a few minutes.
To give some context, my intention is to allow customer to directly access the detailed info about the ingredients, for example, when they got into inventory (freshness), whether they are organic, and even maybe where I bought it from. I consider this a tool for both marketing & customer relations.