Preheat oven to 425F (220C.) Place salmon on a greased baking sheet and cook in the oven for 10 minutes.

Using fork, flake the salmon finely on the baking sheet. Remove any bones and skin.

Heat a non-stick frying pan on medium heat and add salmon flakes and Sake. Stirring constantly, cook until the fish is dry and moisture is evaporated. Add salt, Mirin, and sesame. Continue frying for a few more minutes. Remove from heat and cool completely.