I had never tried a Cubano sandwich before I moved to New York, but they are delightful. Buttery bread pressed with ham, cheese, pickles and spicy mustard? Yes, please. After you’ve almost finished cooking your burgers, just add a slice of ham and Swiss cheese to the top, let it get nice and melty, then add it to your bun along with some grainy mustard and plenty of pickles. It’s just the thing to have on a hot summer day, and is an excellent way to mix things up during your regular hot dogs and hamburgers barbecue. —CrepesofWrath
Mix together the ground beef with Worcestershire sauce, salt and pepper. Lightly form into 4 patties.
Grill or broil the burgers until your preferred doneness, and just before they're finished, top each burger with a slice ham and cheese (you want to add the ham first, then the cheese, so that the cheese keeps the ham in place). Cook until cheese is just melted. If you're cooking the burgers on the stove top, you can better melt the cheese by covering the pan for a minute or so with a lid.
Spread the top and bottom of buns with your desired amount of mustard. Place burgers on buns and evenly top with pickles. If desired, garnish with pickled peppers, lettuce and tomatoes.