What's what? In Israel, the shape of a boureka pastry traditionally tells you what's inside. Now the country's chief rabbis want the shapes to get a lot more specific to help people keep kosher. Emily Harris/NPR hide caption

itoggle caption Emily Harris/NPR

Israelis eat at a kosher McDonald's restaurant in Tel Aviv. David Silverman/Getty Images hide caption

itoggle caption David Silverman/Getty Images