Step 1

Press ‘Saute’ and add olive oil to inner pot of Instant Pot.

Step 2

Add onions, celery, carrots, bell peppers and garlic and saute for 3 minutes, stirring frequently.

Step 3

Add fresh mushrooms and saute for 2 minutes.

Step 4

Turn off Instant Pot by pressing ‘Cancel’.

Step 5

If there’s food stuck to the bottom, deglaze pot with 2 tablespoons of water.

Step 6

Add in dried porcini mushrooms, crushed tomatoes, black pepper, salt, thyme, oregano, basil, sugar, balsamic vinegar, tomato paste, crushed red pepper, pasta, milk, wine and water.

Step 7

Stir to combine.

Step 8

Close Instant Pot Lid, and make sure steam release handle is in the ‘Sealing’ position.

Step 9

Cook on ‘Manual’ (or 'Pressure Cook') mode for 7 minutes.

Step 10

Do a quick release of pressure.

Step 11

There might seem to be more liquid than you’d like, but don’t worry, the liquid will get absorbed by the pasta.

Step 12

Stir in mascarpone cheese.

Step 13

Let the pasta rest for a few minutes and it will thicken up.

Step 14

Sprinkle each serving with Parmesan and fresh parsley.