SciShow Answers That Most Important Of Questions: Why Does Swiss Cheese Have Holes?
But not "why is it so delicious," sadly.
Yes, it is the question that has plagued mankind for generations, probably: why does tasty, tasty swiss cheese come filled with holes? The folks over at SciShow know the answer, and want to put you out of your curiosity-based misery. It’s a fermentation thing. Who knew?
And I made it through that whole paragraph without a single “holy/holey” pun, aren’t you proud?