Why does a potato cook faster with a nail in it?
William Burgess
Updated on March 28, 2026
Why does a potato cook faster with a nail in it?
The theory is that heat will be conducted through the metal nail and down through the center of the potato, adding an internal heating boost, which will help the potato cook from the inside out. It works pretty much like the nail remover on the end of a hammer.
Does poking holes in potatoes make them cook faster?
Many cooks use the tines of a fork to poke holes in raw potatoes before baking them. The holes don’t make them cook any faster — a medium-sized potato takes more than an hour to bake — but there are other ways to speed up their cooking time.
How do you know a baked potato is cooked?
Bake until potatoes just begin to appear wrinkly and papery on the outside, and when you squeeze the potato, it gives – 40-50 minutes, depending on the size of your potato. Another way to test is to insert a fork into the potato (it’s done if the fork goes in easily).
Why do you put a nail in a baked potato?
The claim here is that pushing a nail through the center of a potato before baking it will cut down on cooking time. How? The theory is that heat will be conducted through the metal nail and down through the center of the potato, adding an internal heating boost, which will help the potato cook from the inside out.
Is it faster to cook a potato with five nails?
Unfortunately, no. Even a potato that had been run through with an absurd five nails cooked only 11 minutes faster than an intact potato. THE BOTTOM LINE: Potato nails aren’t really worth the investment. If you want to quickly cook a potato, here’s what we recommend.
What kind of nails do you use to pierce potatoes?
You may wish to use potato nails to decrease baking time. I recommend food-grade stainless steel Spud Spikes. Stainless steel both conducts heat into the potato and provides structural strength to pierce the potato. At 6″ long, Spud Spikes are a full 1 ½ inches longer than most potato nails.
What’s the fastest way to cook a potato?
Even a potato that had been run through with an absurd five nails cooked only 11 minutes faster than an intact potato. THE BOTTOM LINE: Potato nails aren’t really worth the investment. If you want to quickly cook a potato, here’s what we recommend.
Is it OK to bake potatoes with nails in them?
Some potato nail kits come with a tool that makes the removal of the hot nail, reducing the likelihood that you will burn your fingers. Fight the urge to bake potatoes in the microwave with nails driven down the center. Even if the nail is tucked inside the potato, it can still cause arcing in the microwave.
Unfortunately, no. Even a potato that had been run through with an absurd five nails cooked only 11 minutes faster than an intact potato. THE BOTTOM LINE: Potato nails aren’t really worth the investment. If you want to quickly cook a potato, here’s what we recommend.
You may wish to use potato nails to decrease baking time. I recommend food-grade stainless steel Spud Spikes. Stainless steel both conducts heat into the potato and provides structural strength to pierce the potato. At 6″ long, Spud Spikes are a full 1 ½ inches longer than most potato nails.
What’s the best way to cook potatoes faster?
Instead of waiting and waiting, stick a nail through the center of each one. Potato nails are made from sturdy aluminum or stainless steel, and are specifically designed for cooking potatoes quicker than the average spud — 15 to 20 minutes faster on average. Use these instructions to get your favorite side on the table fast.