Method
- Add macaroni, water, salt, and butter to the Instant Pot. Stir to combine.
- Close the lid and set the valve to Sealing. Cook on High Pressure for 4 minutes.
- Quick release the pressure immediately when the cooking cycle ends.
- Stir well — the pasta may look watery at first but will begin to thicken as you stir.
- Pour in the milk and stir in the shredded cheese. Stir until smooth, creamy, and fully melted.
- Let sit for 2–3 minutes before serving to allow the sauce to thicken further.
