Bring a large-sized pot and pour water into it. Soak the rice in water and also add salt to it. Pour the cap or rice vinegar into this mixture. Make sure all the water is absorbed.
Boil the mixture and let it simmer at lowered heat for some time.
Bring a frying pan and melt butter in it.
Put the salmon in the pan and fry it in the heated butter until it changes color.
Season the salmon with black pepper and salt. Bring the cucumber and chop it. Bring the creme Fraiche and add it to the chopped cucumbers. Also, add salt and pepper to it. Make an addition of dill to your mix.
Sprinkle some green chopped onions at the top and serve.