Instant Pot Fettuccine Alfredo, with chicken, or without, is a dump it all in and push start type of recipe. Pressure cooker Fettuccine Alfredo is creamy, rich, and delicious one-pot, easy pasta dinner!
Press down on the mixture to submerge as many of the noodle as possible. Then place the lid on the pot, lock in place, and set the steam release knob to Sealing position.