Turn on the broiler. Peel the apple, cut it into thin slices.
Fry the bread slices on one side of the broiler. Meanwhile, grind the cheese. Grease the pieces of bread (not toasted side). Place apples on the greased side and cheese on top.
Fry on a broiler for 4-5 minutes. Meanwhile, chop the sage. Sprinkle the toast with sage and pepper.