Hands-free voice control and being able to access recipe ingredients and steps without 5 pages of SEO-optimised prose.
They just haven't done the "now monitise it" step in the vibe-coding journey.
Why would I want to do that when I can go to one of dozen AI chat interfaces and ask for recipes and further customization without having to look at any interface?
The real problem of your website is that the recipes are AI generated.
A second, minor problem of your website is that the images illustrating recipes are AI generated with a bad quality
You can't solve those issues by throwing more AI.. well maybe the second problem you can (AI images with later models are generally ok)