What is american cheese at subway?

American cheese is a popular cheese option available at Subway restaurants in the US. It is a processed cheese made from a blend of cheeses, milk, and other ingredients like whey protein concentrate, sodium citrate, and salt. American cheese is known for its mild flavor, smooth texture, and ability to melt easily. It is commonly used to top sandwiches, burgers, and as a filling in quesadillas. At Subway, customers can add American cheese to any of their sandwich orders as an optional ingredient.