Well, you see the first step is to boil the potatoes. It softens the starches and makes the next step easier.
The second step is to mash roughly one half of the potatoes and set them aside.
For the third step, you will cut the remaining potatoes into roughly one inch (2.5cm) cubes. After that you will, and this is critical, stick them in a stew.
Let the stew simmer until the onions dissolve and the carrots soften.
Now you can serve the stew over the mashed potatoes and then smuggle them out of the phone in your stomache.












FWIW your friend was running a CPU that comes from the factory OC’d nearly to it’s limit and it’s a top binned CPU.
Also, your friend called a 360mm AIO a massive liquid cooler when that’s the bare minimum you should have to run that thing stock, and even then of probably needs an undervolt to maintain adequate temps under load.
To OC that thing like they wanted they probably should have had at least a custom water cooling loop with two 480mm rads and plenty of airflow.
Ideally you would have also had a water chiller in the loop.
But if you wanted to really push it and try for a record OC you would have needed an LN2 pot. Maybe even liquid helium.
None of which accounts for the insane power draw that apparently your local grid couldn’t handle.