Ancient Buildings Used to Make Ice in the Desert: Yakhchals
There is a traditional Persian dessert called faloodeh, made with thin rice noodles, topped with a near-frozen syrup of sugar, rose water, and lime juice. It’s been around since the 13th century–long before modern refrigeration technology was a thing. But wait – exactly how did they freeze sugar syrup in the middle-eastern deserts that long ago? […]