Where ddid smoked salmon with creme fraiche and cucumber and tomato salsa originate from?

Smoked salmon with crème fraîche and cucumber and tomato salsa is a dish that reflects the culinary traditions of Northern Europe, particularly from Scandinavia, where smoking fish is a long-standing preservation method. The combination of smoked salmon and crème fraîche is especially popular in countries like Sweden and Norway. The addition of fresh vegetables, such as cucumber and tomatoes, enhances the dish, making it a favored item in modern European cuisine and often served in various forms at brunches and gatherings.