Uploaded December 2019 | Updated September 2026, 30 minutes ago

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We've tried the "world's most sour candy", now we're hunting down the world's most sour food!

This week we test out Ume Plum Concentrate, 1 kilo of Ume plums crushed into 20 grams of paste. So it's basically fruit paste? How bad could it be?

Know any food more sour this? Let us know in the comments!

Ume Plum Concentrate
Amazon US: amzn.to/2PUhNK5
Amazon CA: amzn.to/2QfRq0n
iHerd.com: uk.iherb.com/pr/Eden-Foods-Ume-Plum-Concentrate-1-4-oz-40-g/36428

ps. Merry Christmas 🎄

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