Why American Cheese on Burgers is the Fast Food Standard

In the world of craft burgers, there is a persistent myth that ‘natural’ cheese is inherently superior to processed slices. But a cheeseburger isn’t just a list of ingredients; it’s a culinary system. While a sharp aged cheddar is a masterpiece on a charcuterie board, it often fails the ‘burger test’, splitting into an oily mess or overpowering the beef. The decision to use American cheese on burgers in the fast-food industry wasn’t just about cost; it was about engineering the perfect component for a specific job.

Fast food workers putting American cheese on burgers.

🍔 The Burger Science: Quick Summary

If you’re looking for the short answer, American cheese is the industry standard for four practical reasons:

Superior Melt: Engineered with emulsifying salts to melt smoothly without splitting into an oily mess.
Flavor Balance: It provides a rich, salty “cheesiness” that complements—rather than overpowers—smaller fast-food patties.
Made for Travel: Unlike natural cheese, it stays soft and creamy even after sitting in a carryout bag for 10 minutes.
Total Consistency: It guarantees the exact same taste and texture at every location, which is impossible with aged natural cheeses.

A fast food burger chain is certainly not a craft burger bistro! What applies to running one restaurant or five restaurants doesn’t apply to running hundreds or thousands, where consistency in every way is desired across these many locations.

🍔 The McDonald’s Standard: > While many people dismiss all American cheese as “plastic,” the industry versions are often higher quality than what you find in the grocery store. For example, while standard Kraft Singles actually contain less than 51% real cheese, the processed cheese manufactured specifically for McDonald’s is roughly 60% cheese. It is engineered for a higher “cheese-to-emulsifier” ratio to ensure it melts perfectly under a heat lamp without losing its flavor profile.

The Mechanics of the Melt

It is often claimed that American cheese is only used because it is cheap. If a fast-food restaurant thought they could successfully serve more burgers with cheddar cheese, they’d do so! They’d find a way to make the cost work. Unfortunately, cheddar cheese and most other cheeses present too many pitfalls.

American cheese is an emulsified product that melts evenly and quickly, doesn’t overpower the beef, doesn’t separate (no fat slick), and has a mild creamy, and slightly salty taste that many think is the perfect accompaniment to a burger. This uniform melt is the result of emulsifying salts like sodium citrate that prevent the fats and proteins from separating. Beyond just texture, these salts also serve as a functional safety barrier that helps extend shelf life and control spoilage.

American cheese is perfectly engineered to make a great burger, but not in a bad way! You may have seen videos claiming that because it reacts differently to heat, it isn’t real food, but there is a clear scientific reason why Kraft American cheese appears to burn instead of melt when exposed to a direct flame.

The preferences of millions of customers may not matter to a lone-wolf chef with absolute opinions on burger ingredients. However, these preferences matter greatly to multi-national restaurant chains. These chains generally have their own distribution chains, their own manufacturers, etc.

McDonald’s has their cheese made for them. In fact, their American cheese actually has more cheese than store-bought processed cheese slices. Kraft singles contain less than 51% cheddar cheese, while McDonald’s processed cheese contains sixty percent. Over half of that is cheddar.

We simply cannot compare the burger giant’s cost with a restaurant ordering food from regular distributors. They have it manufactured in bulk for thousands upon thousands of customers. If they wanted to use cheddar, well, they’d have that manufactured in bulk too! The resulting cost would be much lower than what an independently owned restaurant could manage. But, this is only the tip of the cheese wedge. There is much more to consider!

The Quality Paradox: It’s a common irony that the “processed” cheese at a massive chain like McDonald’s is actually closer to “real” cheese than the standard slices many people keep in their own refrigerators. By maintaining a higher real-cheese content—with over half of that being sharp cheddar, they ensure the flavor remains bold enough to cut through the pickles, onions, and mustard of a standard burger.

This higher standard might surprise people who believe the American diet is entirely dominated by “fake” food. In fact, when you look at the data, the idea that Americans eat more processed cheese than real cheese is actually a common food myth.

The “Burger as a System” (Proportions & Travel)

The 1/10 Pound Patty

Most fast-food burgers use small patties—standard McDonald’s patties are only 1/10 of a pound. At that size, a slice of cheddar overpowers the flavor entirely, effectively turning the meal into a cheese sandwich with a small side of beef.

The Carryout Reality

Cheddar cheese doesn’t keep a “melted” texture. McDonald’s burgers are most often made in advance, kept for at least several minutes, and then placed in a bag. They often travel somewhere before being eaten. Cheddar will end up being a “used to be melted but now separated and kind of gross” thing.

The Transport Reformulation

American cheese works better than a natural cheese on a burger meant to travel. Food intended for carryout often needs to be (and should be) reformulated to transport well. The considerations of a carryout restaurant are different from those of a sit-in restaurant.

While critics often point to the list of ingredients in processed slices, the reality of its nutritional profile is often misunderstood. I’ve previously looked at whether American cheese is actually bad for you compared to other common kitchen staples.

A Century of Taste (The History)

American cheese has LONG been the preferred cheese on a cheeseburger in America. It would be easy to assume that cheeseburgers were enjoyed before the advent of American cheese! Not so. American cheese is no interloper on the cheeseburger scene. Kraft patented its processed cheese invention in 1916. The cheeseburger began it’s rise to the top of the American food chain during the 1950s. American cheese came along for the ride. By the way, did you know that the term “cheeseburger” is trademarked?

The first processed cheese product was developed by Kraft in 1916 and was sold in tins. Velveeta cheese came out in the 1930s. And the first Kraft singles were introduced in 1950. Cheeseburgers had been around for decades before then (no, putting cheese on a burger was not immediately obvious). However, they didn’t immediately become the juggernaut of the fast food industry. Once they gained traction, processed American cheese slices quickly became the preferred cheese for a burger and remained the preferred cheese for decades.

Putting cheddar on a burger is not a long-forgotten food hack. It is a recent craze coming out of the “craft burger” scene, where burgers met some kind of “short order nouvelle cuisine” movement.

Fast Food Burger With American Cheese are What We Grew Up With

Most all of the well-established fast food burger chains are dealing with not only cost, but with memory. People remember childhoods of burgers with gooey American cheese with its salty but mild and creamy flavor. Our well-established food preferences don’t easily melt away! While a gourmet burger with cheddar may be a delicious diversion, it can never compete with our childhood nostalgia.

The truth is that McDonald’s or any other big chain cannot just switch to cheddar on a whim. There are no reliable statistics on these questions. However, I can say with near certainty that most Americans prefer American cheese on a burger. McDonald’s, certainly, has done countless hours of market research and focus groups while developing new burgers. They undoubtedly stick with the winning cheese choice!

Our personal food choices are subjective. But large companies make decisions on objective data. To get objective data, you must aggregate the preferences gleaned from marketing to the masses. To sell billions of burgers, McDonald’s must concern itself with the preferences of millions of customers.

I myself sometimes want cheddar or another cheese on my burger, and other times I’m in the mood for a good old-fashioned cheeseburger. Old-fashioned, in regard to a burger, means with American processed cheese!

Expanding the Lore: Class and the Fast Food Myth

The push for “natural” alternatives like cheddar on burgers often stems from a deeper cultural misconception, the idea that fast food and processed ingredients are exclusively the domain of low-income consumers. In reality, research shows that fast food consumption is remarkably consistent across all income levels but is not dominated by low-income brackets. If you’re interested in how our financial means actually influences what we eat, check out my deep dive into whether low-income people really eat more fast food than the middle class or the wealthy.