Salmon fillets marinaded in miso paste and grilled in the oven
Mix Miso, Mirin, Sake, sugar, and soy sauce in a bowl. Marinade salmon fillets in Miso mixture for at least 3 hours, or overnight.
Preheat oven at 425F. Wipe marinade liquid well from salmon fillets and place them on oiled aluminum foil spread over a sheet pan.
Bake for 10-12 minutes, until cooked through.