Analysis of information sources in references of the Wikipedia article "Ice cream" in English language version.
c. 550-330 BC, First mention of flavoured snow or ice : during the Persian Empire
Kulfi is the traditional Indian ice cream and has a strongly characteristic cooked-milk flavor and dense icy texture. [...] The basis of making kulfi is to reduce a large volume of milk down to a very small concentrated amount...
History of ice creams begun around 500 BCE in the Persian Empire where ice was used in combination with grape juices, fruits, and other flavors to produce very expensive and hard to produce summertime treats.