An PWA primarily for my wife and my daughter. They can order their hot chocolate and their coffee as if they were going to grab something at a fancy café downtown, but instead it's at home and I'm the barista. It is quite nice to have for when my wife comes back from work and want something specific, or when we are waiting for the visit of a few friend, they can order exactly the available beverages and everything is ready when they're here.
It was also a good playground for me to implement Web Push notifications (to never miss new orders).
It's a basic Nuxt 3 app with Appwrite as the backend with rough edges, but much enough for our household use !
If you want to spam my phone with notifications, please visit my café : https://mytinycafe.com/alix
If I could make a (not-important) suggestion, I think being able to re-arrange / categorize menu items would be useful. Something that lets you group together drinks apart from snacks as an example.
Though that only holds while we have free time. If we have a kid, then I can see a great amount of value in that app.