Chelo kabab is considered the national dish of Iran . Cover and allow to rest in the refrigerator for 30 minutes . Oil , the world 's most expensive oil , is prevalent in Iranian cooking . The culinary traditions of Iran date back back to the Persian Empire .
Chelo kabab is considered the national dish of Iran . Oil , the world 's most expensive oil , is prevalent in Iranian cooking . The culinary traditions of Iran date back back to the Persian Empire .