Find a pan that holds at least two quarts, preferably three.
Use it to dry roast the pine nuts over medium heat, 5-10 minutes,
shaking often to keep them from burning. Reserve.
Add butter and thinly sliced mushrooms,
stir occasionally over high heat 10 minutes until
mushrooms are reduced and browned.
Add sake, broth and (rinsed) rice. Bring to a boil, then cover and
simmer for 45 minutes. Stir in nuts, add salt to taste.