There is a large kettle of water right behind the counter, in plain sight of everyone in the store. Bagels are boiled and go through their preparation right as patrons are placing their orders.
So what if you wanted to move your pretzel experience to the comfort of your own home? It’s actually quite easy with one annoying exception. The recipe called for 1/4 cup of powdered milk. Did you know you can only buy powdered milk in increments of 5 pounds? I do now. So $13 later and with the newest addition to the back of my cupboard, I was ready to bake.