Cheese. According to the inquiry of the takeaway monster, I learned that Pizza Hut is a kind of pizza with cheese as the main ingredient, and cheese is cheese, a dairy product. Pizza Hut's cheese sandwich is made of cheese strips leprino, which translates as Lapp. It belongs to a kind of cheese with high melting point, which can ensure the shape well. The mozzarella cheese commonly used in the middle can be brushed.