Thought I’d have cheese on toast. Put bread in toaster. Take it out when done. Then put a mound of grated cheese on both pieces. It would have been hard to balance any more cheese on them . Grill ,to find there’s just a thin layer of cheese on both pieces .
As Pete Seeger sang "Where has all the cheese gone? "
Higher quality cheeses have more of the real thing in them.
Lower quality cheaper cheeses have more oil ratio to cheese material. They bolster up the solid composition of cheese. When you melted yhe cheese, the oil solids melted into the bread, leaving very little percentage of cheese behind.