Slice leek, cut potato and carrot into 1 cm cubes and cut salmon into bite size pieces.
Melt butter in a medium hot saucepan.
Sauté leek for about 2 min.
Add potato, carrot, water and fish bouillon cube and cook for about 15 min or until potatoes are fork tender.
Add creme fraiche and stir.
Add salmon and bring to a simmer, cook until salmon is cooked through.
Season with dill, salt and black pepper.
Serve with some buttered bread.