Dwayne’s View have produced this video and he explains it very well…

A Swedish smörgåstårta, or sandwich cake, is a savory layer cake typically made with bread and filled with a variety of fillings like meats, seafood, vegetables, and spreads, then decorated beautifully. This dish has a strong presence in Swedish culture and is often served at festive occasions such as birthdays, weddings, and holidays. It embodies the concept of “fika,” or socializing over food, which is important in Swedish society. Overall, the smörgåstårta is a delicious, flexible, and visually enticing dish that perfectly fits into Swedish cultural practices, helping to cement its popularity.