Step 1

To any size Instant Pot, add pasta, butter, mustard, garlic powder, salt, pepper and water.

Step 2

Close the lid, turn pressure release valve to Sealing and press Pressure Cook on High or Manual for 3 minutes.

Step 3

After allow pressure come down naturally for 8 minutes to prevent splatters all over your counter. Then turn pressure release valve to Venting to release remaining pressure.

Step 4

Open the lid and stir pasta gently.

Step 5

Add cheese in portions, stirring in between. It might look stringy.

Step 6

Then add milk in 1/4 cup portions until desired consistency, stirring in between. Mac and cheese will become creamy.

Step 7

Serve immediately.