Step 1

Add the macaroni, water, butter, sea salt, garlic powder and pepper to the Instant Pot

Step 2

Turn valve to sealing position, and hit PRESSURE COOK for 4 minutes

Step 3

Allow pot to come to pressure, and after 4 minutes cook time, do a gradual quick release, hit CANCEL, and carefully open lid when pin drops

Step 4

Gently stir the macaroni, then stir in the ham, and stir in the cream

Step 5

Gradually, stir in the cheeses, about 1 cup at a time, and mix well so that it all blends together

Step 6

Stir in the Dijon mustard, and serve immediately