Karjalanpiirakka is a traditional Finnish pastry originating from the region of Karelia. It features a thin rye crust filled with rice porridge, mashed potatoes, or carrot filling. The pastry is often served warm and can be enjoyed with butter or egg butter, which is a mixture of butter and hard-boiled eggs. This dish has a long history and is considered a symbol of Finnish culture. Karjalanpiirakka is commonly made for special occasions and celebrations, reflecting the culinary traditions of the Karelian people. Its unique flavor and texture make it a beloved snack or side dish in Finland.