Not all cheese melts as graciously as Monterey Jack.
The creators of smooth processed cheeses like Velveeta or American cheese have a solution: a salt solution.
Sodium citrate is the best known of a few different ingredients known as melting salts, which facilitate the melting of old or stubborn cheeses. It’s a white powder with a salty-sour taste, but in cheese, its taste isn’t noticeable. – Tiny Fox Lab
Preview photo credit: wisconsincheese.com