Smoky Cubano Sandwiches

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Ingredients

1. 1 medium onion, thinly sliced
2. 1 medium jalapeño, seeded and thinly sliced
3. 1/2 red bell pepper, thinly sliced
4. 1/4 cup coarsely chopped cilantro
5. 3 tablespoons olive oil
6. 2 tablespoons fresh lemon juice
7. 1/4 teaspoon finely grated lemon zest
8. Salt and freshly ground pepper
9. 4 kaiser or hard rolls, trimmed and halved
10. Vegetable oil
11. 10 ounces smoked mozzarella, cut into 16 thin slices
12. 1 pound roast pork, cut into 16 slices

1. In a bowl, combine the onion, jalapeño, bell pepper, cilantro, olive oil, lemon juice and lemon zest and season with salt and pepper. Spread 2 tablespoons of the fresh onion relish on each kaiser roll half.
2. Set a large skillet over moderate heat and coat with a thin layer of vegetable oil. Place 2 roll halves in the skillet, relish side up, and top each with 2 mozzarella slices, 4 pork slices and 2 more mozzarella slices. Reduce the heat to low and cover each sandwich with another roll half, relish side down. Weight down the sandwiches with a medium skillet and cook until the bottoms are toasted and the bottom layer of cheese has melted, about 4 minutes. Turn the sandwiches, add a little more oil to the skillet and brown the second sides, about 4 minutes. Transfer to plates and repeat with the remaining ingredients to make 2 more sandwiches.