Chivito

Chivito is the national dish of Uruguay. It is a thin slice of tender cooked beef steak (churrasco), with mozzarella, ham, tomatoes, mayonnaise and black or green olives, and commonly also bacon, fried or hard-boiled eggs, served as a sandwich in a bun, often accompanied by skinny chips

Additions could include such things as red beets, peas, grilled or pan-fried red peppers, and slices of cucumber, may be added.

In Argentina a sandwich of this style is called lomito.