What key component is found in the pan con lechon?

Pan con lechon is a traditional Cuban sandwich that features roasted pork as its key component. The dish is celebrated for its richly flavored, tender meat which is typically marinated and slow-roasted to achieve a crispy skin and juicy interior. The combination of the pork with Cuban bread creates a distinctive flavor profile, often enhanced by garlic, citrus, and seasonings used during the roasting process.

While the other options present different types of food, they do not align with the classic ingredients of a pan con lechon. Grilled fish, vegetable medley, and falafel represent entirely different cuisines and flavor profiles, making roasted pork the unmistakable focus of this beloved dish.