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Cold brew, educate me please!
(feddit.win)
The Oromo people would customarily plant a coffee tree on the graves of powerful sorcerers. They believed that the first coffee bush sprang up from the tears that the god of heaven shed over the corpse of a dead sorcerer.
I don't think there's a clear cutoff from a taste perspective, it'll just be staler the longer you wait. As with most things, it's just about juggling the convenience vs quality tradeoff. But the win-win solution, especially in the later days, might be that condensed milk everyone's talking about.