Place a large skillet over medium heat. Add a small amount of butter.
Slice the baguette in half lengthwise. Spread 1 tablespoon butter evenly on one half of the bread and the mustard on the other. Layer the ham, roast pork, cheese and pickles on the bottom half; close with the top.
Place the sandwich in the skillet and press down with your hands, a spatula or another skillet; cook for about 30 seconds, flip and cook on the other side until golden and the cheese is melted. Slice in half.
Photograph by Jim Franco
Recipe courtesy of Puerto Sagua, Miami Beach, FL