1-First step: Prepare the bread and fillings Slice the Cuban bread horizontally into two halves if it is not already cut. Set out the ham, roast pork, Swiss cheese, dill pickles, mustard, and optional salami. If you are making the Key West variation, also prepare the lettuce, tomatoes, and mayonnaise. Having everything ready before heating helps the sandwich assemble quickly and evenly.

2-Second step: Spread the mustard Spread yellow mustard evenly on both inner sides of the bread. Use about 2 to 4 tablespoons total, or enough to coat the surface generously without soaking the bread. Mustard is a defining part of Cuban sandwiches, and its sharp flavor balances the pork and cheese.

3-Third step: Layer the meats and cheese Place the ham on the bottom half of the bread in an even layer. Add the roast pork over the ham, then place the Swiss cheese on top. If you are making the Tampa-style variation, add the salami at this stage as well. The goal is to stack the fillings so the cheese melts into the meats and holds the sandwich together after pressing.

4-Fourth step: Add the pickles and close the sandwich Top the layers with 4 to 6 dill pickle slices. The pickles should be spread out so each bite gets some acidity. Close the sandwich with the top half of the bread and press down lightly by hand to settle the layers before cooking.

5-Fifth step: Brush the outside of the bread Brush or lightly butter the outer bread surfaces with butter or olive oil. This step helps the crust become crisp and golden. Use a light coating rather than a heavy one, because too much fat can make the bread greasy instead of crisp.

6-Sixth step: Heat and press the sandwich Heat a plancha, panini press, or hot skillet over medium heat. Place the sandwich in the press or skillet and add a weight on top if needed. Cook for 5 to 10 minutes, flipping once if you are using a skillet, until the bread is golden and crisp and the cheese has fully melted. The exact time depends on bread thickness and the strength of the heat, so watch the surface closely.

7-Seventh step: Slice and serve Remove the sandwich from the heat and let it rest for about 1 minute before slicing. Cut it diagonally into halves and serve hot. Cuban sandwiches are best eaten immediately while the crust is crisp and the interior remains hot and melty. If you are serving the Key West version, add the lettuce, tomatoes, and mayonnaise before closing the sandwich, but keep in mind that extra moisture may soften the bread slightly.