Step 1

Add the olive oil to the Instant Pot. Hot Sauté and Adjust so it's on the More or High setting. After 3 minutes of the oil heating, add the onion and sauté for 2-3 minutes, until translucent.

Step 2

Add the ground meat and break it up with a wooden spatula or spoon. Sauté for 3 minutes until it becomes crumbled and lightly browned.

Step 3

Add the Worcestershire sauce and deglaze (scrape) the bottom of the pot to get any browned bits up.

Step 4

Add the broth, 1 1/2 cups of the marinara sauce, and taco seasoning (if using). Stir well. Add the pasta but do not stir. Simply smooth out with a mixing spoon so it's submerged,

Step 5

Secure the lid, move the valve to the sealing position, hit Cancel followed by Manual or Pressure Cook at High Pressure for 6 minutes. Quick release when done.

Step 6

Add the remaining 2 cups of marinara, cheddar and Boursin. Stir for about a minute until the cheese blends into the sauce. Serve and enjoy!