Insert the stainless steel bowl into the Instant Pot®, place the noodles and the vegetable broth that covers all the noodles. Then, add the vegan butter, salt and pepper in pieces.
Put on and lock the lid of the Instant Pot®. Make sure the steam release valve is turned to “Sealing”. Press Pressure Cook , at High pressure level , and set the time to 5 Minutes .
Let the cooker rest for 5 more minutes and then press Cancel and turn the valve to vent to release the pressure.
Open the lid and add the coconut milk, cheddar cheese, mozzarella cheese and Parmesan. Also add the seasonings and mix until the cheese has completely melted.