Welcome to brain Stuff from house stuff works dot com where smart happens. Hi Marshall Brain. If you've ever been to the grocery store and seen the rack of Crispy cream donuts, here's a question. Have you ever thought about how they make them? A big Crispy Cream store produces over a hundred thousand donuts every day and it's an amazing process. The first step is to mix the dough. Then a top secret machine poofs out rings of fresh dough. The next step is a twenty minute conveyor belt ride
through a proofing box. The box has exactly the right temperature and humidity to let the donuts rise. Then the donuts fall into a river of hot oil at three fifty degrees. Forty five seconds later, a flipper bar flips them over into another river of oil. Then another forty five seconds later, they come out of the oil on a conveyor belt and run rule waterfall of glaze so they're completely coded. Then they ride around the factory on a conveyor belt for forty five minutes to cool off.
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