As a Hungarian I think our gastronomy is not really the most underrated but most people only know just a handfull of foods like goulash (gulyás) or lángos etc. meanwhile we have so many other just as good or even better.
And also as I travel I Always try to eat local foods and in many cases they are amazing and I've never even heard about them. Like in the Balkans in general the food is amazing wherever you go but it's not really known in other parts of Europe. But the same goes for a lot of different places.
So what do you think, which country's cuisine is the most underrated?