1 kaiser or rustic sandwich roll, halved
horizontally
1 Tbs. unsalted butter, at room temperature
1 1/2 Tbs. mayonnaise
2 tsp. Dijon mustard
2 slices Swiss cheese
2 thin slices roasted pork loin
2 slices ham
4 slices dill pickle
Preheat a cast iron pan or griddle or if you're lucky a paninni grill
Brush the outside of each roll half with 1/2 Tbs. butter. Lay the roll halves, cut side up, on a clean work surface.
In a small bowl, stir together the mayonnaise and mustard. Spread the cut side of each roll half with about 1 Tbs. of the mayonnaise mixture. Place 1 slice cheese on each half. Place the pork, ham and pickle slices on one roll half, then top with the other half.
Place the sandwich in the pan. Cook according until the roll is golden and the cheese is melted, 3 to 5 minutes. Transfer the sandwich to a cutting board and cut in half. Serve immediately. Serves 1.