A samosa is a stuffed, deep fried snack that is very popular in the indian subcontinent, southeast asia, central asia and southwest asia, the arabian peninsula, the mediterranean, the horn of africa, north africa and south africa. It generally consists of a fried or baked triangular, semilunar or tetrahedral pastry shell with a savory filling, which may include spiced potatoes, meat orlamb and chicken.The size and shape of a samosa, as well as the consistency of the pastry used, can vary considerably, although it is mostly triangular. Given the popularity of indian cuisine, samosas are widely available in indian restaurants and snack-bars in europe, north america, asia and Africa. Feet container.