´It was narrated that Suwiad bin Ghafalah said:` "Umar bin Al-Khattab wrote to some of his workers saying: 'Give to the Muslims thickened grape juice when two thirds of it have gone and one-third is left.'"
Explanation & Benefits
Hafiz Muhammad Ameen
Urdu marginal note:
When the juice of grapes becomes so dry, generally there remains no possibility of intoxication; only sweetness remains. However, if hypothetically intoxication is produced in it as well, then that too will be unlawful (haram).
Source: Sunan Nasa'i: Translation and Benefits by Shaykh Hafiz Muhammad Amin Hafizullah, Page: 5718