Gallinejas are a unique and traditional meat dish in Madrid. They are made from the small intestines of a lamb or a young goat, which are cleaned, seasoned, and fried until crispy. Gallinejas have a distinct texture and flavor, and they are often enjoyed as a tapa or street food. They are typically served with a sprinkle of salt and a squeeze of lemon juice. Gallinejas are a true delicacy for adventurous eaters.