Pulguita de Chistorra

Two slices of toasted bread drizzled with olive oil, one of them topped with pieces of grilled chistorra sausage.

Casa Dani - Madrid

The tapas dictionary

Chistorra
Chistorra is a fresh sausage, typically made from pork and seasoned with paprika and garlic. It is usually fried or grilled and eaten as a tapa or as an ingredient in other dishes. It originates from the Navarre region of Spain.