Cut the ham into strips, peel and dice the pear. Braise both in the hot butter until golden brown. In the meantime, toast the bread slices. Cut the cheese into small slices and cover the toast slices with it. Baked in a preheated oven at 180 ° until the cheese starts to melt.
Spread the ham / pear mixture on the toast slices, season with salt and pepper. Serve immediately.