Rinse Basil leaves in cold water
In a food processor or high-power blender, combine basil leaves, Parmesan cheese, pine nuts ,salt, garlic, and olive oil.
Your Pesto sauce is ready.
For the Pasta
Set Instant pot to Sauté Mode
Once you see the HOT message, add oil and cherry tomatoes
Sauté the tomatoes for around 30 seconds.
Remove the tomatoes out and set them aside.
Add the chopped garlic and the mushrooms to the inner pot
Sauté them for around 1 minute.
Add the pesto sauce and mix the ingredients well and then add the Cavatappi pasta to the inner pot
Add water and salt to taste.
Do not stir.
Set the Pressure cooker to Manual/Pressure Cook with High Pressure, for 5 minutes.
Once the timer is up, allow around 5 minutes for NPR (natural pressure release).
Use the quick release method to let off the remaining pressure.
Add in heavy cream and stir everything well.
You can saute the pasta for a few minutes if you like the sauce a bit thicker.
Top it with the cherry tomatoes that were set aside earlier.
You can top it with Parmesan cheese
Serve hot and enjoy !