Combine the rice and water: Place
the rice, water, and salt in the bowl of an electric
pressure cooker. Lock the lid on.
Set and cook: Set
the pressure cooker to HIGH and set the timer for 4
minutes.
Natural release: Let
the steam release naturally for 10 minutes. Do not
open the release valve.
Open and serve: Carefully
quick release the remaining pressure until the lid
can open. Add the butter, if using, and fluff with a
fork.