Context: American cheese, Cheez Whiz, and provolone are the most commonly used cheeses or cheese products put on to the Philly cheesesteak.\n\nQuestion: what kind of cheese for a philly cheesesteak?
Let's be accurate as possible and think first.
American cheese , Cheez Whiz , and provolone
To answer this question, we should know that: American cheese, Cheez Whiz, and provolone are the most commonly used cheeses or cheese products put on to the Philly cheesesteak.

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Final answer: American cheese , Cheez Whiz , and provolone