Tartlets with various fillings are a favorite among cold appetizers. They are found in almost all world cuisines. The secret to the popularity of these small shortcrust pastry baskets is that they can be filled with basically any filling. And the dish immediately becomes festive. We offer you a recipe for tartlets with a delicate, tasty and healthy cod liver filling. You won't have to spend much time in the kitchen creating your own culinary masterpiece.