Prepare the Instant Pot: Lightly spray the inner pot with cooking spray to prevent sticking.

Combine Ingredients: Add steel-cut oats, water, and salt (if using) to the Instant Pot.

Seal and Cook: Secure the lid and set the valve to the sealing position. Select the “Pressure Cook” or “Manual” setting and set the timer for 4 minutes .

Natural Release: Allow the pressure to release naturally for 20 minutes.

Stir and Serve: Open the lid carefully, stir the oats to combine any remaining liquid, and serve hot.