Som moo is a type of fermented or soured Laotian pork sausage that is a very popular staple. It is made from raw pork consisting of rump and it typically is made with pork skin. In Laos

Laos

Laos Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ Sathalanalat Paxathipatai Paxaxon Lao, officially the Lao People's Democratic Republic, is a landlocked country in Southeast Asia, bordered by Burma and China to the northwest, Vietnam to the east, Cambodia to the south and Thailand to the west...

, it is sometimes wrapped in star gooseberry leaves ("bai ma yom") or banana leaves for additional flavoring. Som moo may be eaten raw or cooked using common methods such as grilling. It is similar to the Vietnamese nem or nem chua and Thai naem, and there is controversy on whether som moo originated from Vietnam