You put the butter in the bell part. The butter sticks. You then put some water in the crock and put the bell in the crock. The bell/butter displaces some water and it prevents air from getting to the butter.

Imo it's silly; there's no real issue just leaving butter in a dish at room temp.

[–] Halosheep@lemm.ee 12 points 1 year ago* (last edited 1 year ago) (1 children)

Leaving butter out is definitely not a safe practice. Modern butter is not shelf stable and needs to be stored in the refrigerator.

Old style butter, which had a large amount of salt as a preservative, was safe to leave out for long periods of time, but this is no longer true.

[–] jana@leminal.space 7 points 1 year ago (1 children)

https://ask.usda.gov/s/article/Is-butter-safe-at-room-temperature

[–] Tenniswaffles@lemmy.blahaj.zone 3 points 1 year ago (1 children)

Safe but the flavour can turn rancid. You just dunked on yourself lol.

[–] chatokun@lemmy.dbzer0.com 6 points 1 year ago (1 children)

Not really. They were replying to it being unsafe. Sure, they did mention in the comment before that about leaving it in a dish, but a dish that covers butter without the water works too, just not as well as the water one, but better than out in the open. In my experience even out in the open isn't bad in a few days like it says, closer to 1-2 weeks, especially if salted.

[–] jumperalex@lemmy.world 3 points 1 year ago

Besides, who are these people not going through their butter fast enough to prevent it going rancid? SAVAGES! That's Who!!!