Spread mustard over bottom. Arrange a layer of cheese and pickles over both sides of bread. On bottom of bread, layer pork and ham slices. Bring the bread together.
Cut crosswise into 4 sandwiches.
Heat panini maker or sandwich press on medium heat. Spray bread with no-stick cooking spray. Cook sandwich until the cheese is melted and the meat is warmed through. Slice each sandwich in half diagonally and serve.
