2 slices bread
2 tbsp. plus 2 tsp. butter
2 oz. (about 2 slices) fropan or other cheese

Preheat cast iron skillet over medium heat for 3 to 4 minutes. Grease 1 side of each bread slice with either butter. Place greased side down in the skillet and cook until bottom of bread is golden. Place bread slices together; continue to cook, without smashing, for 1 minute on each side to melt cheese in center. Serve immediately.