Delivery and pick up are still both options offered by many coffee shops in walkable cities. In the case of delivery, dense bikeable neighborhoods might actually be faster in terms of food delivery than in a car centric society.

Wow that looks really good! If you don't mind me asking, how much did that meal cost?

I feel like it's not dominated by the same sort of content, but a lot of smaller communities and niche interests (at least the ones I'm interested in) have yet to develop on lemmy.

I think cooking could be a good way to help describe the culture and socioeconomic conditions of an Isekai world. (I.e. if a famine occurred in a kingdom, the various dishes in that kingdom could highlight the differences of it as compared to a neighboring country). But yeah, as an Isekai solely about cooking may not be terribly interesting