Set Instant Pot to saute. Dice the onion and mince the garlic.
After it heats up, add the butter and saute the onion and garlic.
Add the barley at the end and toast a little.
Add water and Better than Bouillon organic chicken base along with pepper.
Press Cancel button. Press Manual or Pressure Cook button and set time for 20 minutes. Make sure valve is in sealing position.
When 20 minutes is up, do a quick pressure release. It will be a little watery, so just let it sit for 5-10 minutes, and it will absorb any excess liquid.