Take a pot and half fill it with water. Add a bit of vinegar.
Now put 1 cup of hard popcorn kernels in it and continue the boiling process for about 30-35 minutes. It sounds a lot but it's worth it.
Once your popcorn is boiled take it out of the pot and spread your boiled popcorn kernels on a dish and let them dry and settle for 3 hours at least.
You can also leave them overnight and come back to them overnight because that’s easier and you don’t have to wait for them to dry.
Then grab your frying pan and add a layer of oil at the bottom. Fire up the stove and throw some pinches of salt in it.
Put your boiled kernels in it. Mix it and make sure that these are fully dipped in the oil and cover it with the lid to steam them at Low flame.
Turn the heat off when the popping sound stops and fill a bowl by pouring this popcorn.