this post was submitted on 15 Jan 2024
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Idle question. I've always heard that you need to prick the skins before baking a potato. The potential consequence for failure to do so is a catastrophic potato explosion.

Has anyone had this happen to them?

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[โ€“] [email protected] 3 points 10 months ago (2 children)

No. I've got a couple in the oven right now because the weather is cold. In warmer times I've been using an air fryer.

[โ€“] WeeSheep 3 points 10 months ago (1 children)

I was under the impression it only really happens in the microwave. The oven heats it slower so it might get a crack to let the steam out, but a microwave is so quick it can get a small portion that seems to "explode" enough to get a bit of potato on the inside of the microwave.

[โ€“] [email protected] 2 points 10 months ago* (last edited 10 months ago) (1 children)

It's not just that. Ovens cook with heat originating outside of the food, so the skin cooks(and cracks) before the inside gets hot enough to detonate. Microwaves on the other hand cook by exciting water molecules inside the food, and since the inside of the potato has way more moisture than the skin, it heats up much faster than the skin does.

[โ€“] [email protected] 1 points 10 months ago

Microwaves still cook from the outside in, but yes, mostly only excite water.

I believe this came up in another ATK thing, but can't track it down at the moment.

[โ€“] A_A 2 points 10 months ago

Well, t.i.l., thanks ๐Ÿ‘