Add pasta to the inner pot of the pressure cooker.
Add enough water cover pasta by 1 inch. Depending on the shape of the pasta, it usually takes 3-5 cups of water.
Lock lid in place, and turn pressure release valve to SEALING.
Cook on MANUAL/HIGH pressure for 4 minutes.
Carefully turn pressure release valve to VENTING.
Unlock lid, and drain pasta.
Return pasta to inner pot.
Add milk, salt, pepper, and dry mustard and stir to combine.
Press CANCEL.
Stir in cheese, and continue stirring until cheese has melted and is combined.
Video
[adthrive-in-post-video-player video-id="4VHqrBMB" upload-date="2020-04-12T01:37:36.000Z" name="Instant Pot Mac & Cheese" description="Instant Pot Mac & Cheese is a super creamy, cheesy pasta dish that's made in the Instant Pot. No need to make a separate sauce. " player-type="default" override-embed="default"]
Notes
I like to use cavatappi.
I've used a number of combinations of cheeses.Feel free to use the types of shredded cheese that you like.