Batak cuisine is influenced by the type of cuisine and the art of cooking traditions Batak tribe, which inhabited the region of North Sumatra, Indonesia. Batak cuisine is one of the types of dishes archipelago. One characteristic of Batak cuisine is his penchant to use andaliman (Zanthoxylum acanthopodium) as the main spice. That's why Andaliman sometimes dubbed as "pepper Batak".
Most of the Batak Christian now, because that's not like the surrounding tribes (such as Aceh and Minangkabau), most of Batak dishes are not constrained by the rules of halal. Pork, blood, and even dog meat commonly consumed in the culinary traditions of Batak. Many of the area's best food is made from pork, as well as foods made from ingredients that are not usual, but there are also halal dishes.
Batak culinary arts center located in the cities in the Land of Batak highlands, for example in the area of the city Kabanjahe Karo and Berastagi. While some places around Lake Toba offers many dishes arsik freshwater fish such as carp. Besides in North Sumatra, Jakarta and surrounding areas as well as most major cities in Indonesia can also be found Lapo or restaurant Batak.
Source : http://id.wikipedia.org/wiki/Masakan_Batak
Picture from Gunawan Kartapranata