Mix mayonnaise, mustard, and cayenne
together in a bowl to make the sauce.
Spread one side generously with the
Divide sandwich ingredients between the two
bottom halves in this order: 2 slices Swiss
cheese, 3 slices ham, hot Keystone Pork,
pickle slices, and 2 more slices of Swiss
cheese. Place tops on sandwiches.
Melt butter in a heavy skillet over medium
heat. Place sandwiches in skillet and press
down with a heavy weight (such as another
skillet or panini machine). Toast sandwiches
until bread is crisp and filling is heated through,
3 or 4 minutes per side.