Empanadas. Panzerotto. Samosas. Knishes. According to The Food Guys, Jon and Greg, you can close your eyes, spin the globe, and wherever you land, there's another turnover. Chinese dumplings and j iaozi ( pot stickers), Russian piroschki, Welsh pasties, Italian calzone, and American moonpies: whether it's savory or sweet, made with yeast dough or pastry dough, baked or fried, Greg recognizes its essential turnover-ness.