processed cheese

US /ˈproʊ.sest ˌtʃiːz/
UK /ˈproʊ.sest ˌtʃiːz/
"processed cheese" picture
1.

a food product made from cheese and sometimes other unfermented dairy ingredients, plus emulsifiers, salts, and food colorings, often used for slices or spreads

:
Many fast-food burgers use processed cheese slices.
She prefers natural cheese over processed cheese for her sandwiches.