The kind of salt found in American cheese, responsible for its melty qualities is available on the internet so you can make your own sodium citrate mac and cheese.
The Secret Ingredient for Perfect Mac & Cheese: Sodium Citrate Explained - Ingredi
Sodium Citrate (The Secret Ingredient You Need In Cheese Sauce)
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Sodium Citrate Mac and Cheese Revisited: Tastier and Healthier - adamcantcook
3-Ingredient Stovetop Mac and Cheese Recipe
Sodium Citrate Mac & Cheese — Silky Smooth
one-pot macaroni and cheese – Jennifer Murch
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Sodium Citrate Mac & Cheese — Silky Smooth
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Sodium Citrate Mac & Cheese — Silky Smooth
Science helps craft the perfect mac and cheese
Sodium citrate makes cottage cheese sooo much creamier. I wish I had a little bit of smoked cheddar or gouda, but I made “Mac and cheese” with what I had and it
15 Minute Vegan Mac & Cheese - Thee Burger Dude