Whether you make microwave popcorn, or you make popcorn the old-fashioned way using an air popper or oil on the stove, the trick to making good popcorn is getting all of the kernels to pop. And the trick to getting all of the popcorn kernels to pop lies in the storage of the popcorn kernels. Store them in the freezer. It's that easy. If you store your popcorn in the freezer, you'll get all of the kernels to pop.