Add 2 cups room temperature water, the Better Than Bouillon and minced garlic to the Instant Pot.
Break spaghetti noodles in half and add them to the Instant Pot. Make sure the noodles are in the liquid.
Secure the lid to the Instant Pot and make sure it's in the locked position. Make sure the lever is set to seal. Press the Pressure Cook button and set the time to 6 minutes.
When the time is up do a quick release of pressure. Remove the lid and stir the spaghetti noodles. Add the Parmesan cheese and mix together.