Anthony Bourdain disagreed[1]:
> This is world class food, this is world class wine, this is world class cheese. The next big thing is Croatia.
This was in 2012, before Croatia joined the EU, but the culture of quality cuisine doesn't change in a decade.
I can't speak about the prices, but I'm sure there are affordable restaurants and markets outside of touristy zones. Go to any popular place in the world, Greece included, and you'll pay the tourist tax.