Thrillist looked into why New York is blessed with some of the best bagels in the universe and found a video that down to the science of the taste.

“You already know New York has the best bagels… But what exactly makes the bagels so good? It’s long been believed the tap water is to thank, which does not give us a ton of confidence in our taste buds… However, a new YouTube video by Reactions, filmed inside the city’s beloved Murray’s Bagels, shows that it’s so much more than that.”

Check out the video here: