Peruvian salad of boiled yellow potatoes (similar to the Yukon Gold potatoes) in a spicy, creamy sauce called Huancaína sauce. Although the dish's name is derived from Huancayo, a city in the Peruvian highlands, it has become a staple of everyday and holiday cuisine throughout the country. Because it is served cold Papa a la Huancaina is a favorite food of Peruvians to take on picnics and trips.
This versatile Peruvian potato dish makes a great light meal or a fine addition to a buffet spread. Causa can be layered with any number of fillings — chicken salad and tuna salad are favorites. Served cold, causa rellena is often topped with extravagant garnishes and sauces for a colorful presentation.