Cut the Cuban bread in half lengthwise and spread mustard on both sides.
Layer the roast pork, ham, cheese, and pickles on one half of the bread.
Place the other half of the bread on top and press down gently.
Heat a large skillet or panini press over medium heat.
Place the sandwich in the skillet and cook until the bread iscrispy,and the cheese ismelted, about3minutes per side.
Cut the sandwich into smaller pieces or leave it as it is and serve hot. Enjoy your delicious Cuban sandwich!