1 and 1⁄2 lbs of thinly sliced pork cutlets, trimmed of fat1 and 1⁄2 cups of white wine6 garlic cloves, chopped1/2 bell pepper, cleaned and sliced1 and 1⁄2 tablespoons siracha or hot chili sauce (optional)2 bay leaves, split in half1 tablespoon of white wine vinegar1 tablespoon of paprika1 and 1⁄4 teaspoons of kosher salt3 tablespoons of lard2 large onions, sliced4 crusty buns