Uploaded July 2025 | Updated September 2026, 2 weeks ago

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I had a go at making the viral 100-hour brownies — yep, the full-on four-day version with browned butter, espresso, and a whole load of fridge faff. It takes some serious patience (and willpower not to scoff the batter), but are they actually worth the wait? Here's the full experiment, taste test, and what I honestly thought at the end.

Original Video youtube.com/watch?v=28NB3L9YuVI
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Full Recipe barrylewis.net/recipe/100-hour-brownies
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