Ninja OS401 how to pressure cook
When a recipe uses the Pressure Cook function.
Steps
Prevent food contact with heating elements. DO NOT overfill or exceed the MAX fill level of the pot and the Cook & Crisp Basket or Plate. Overfilling may cause personal injury or property damage or affect the safe use of the appliance.
Marked WARNING by the manufacturer Source: Important Safeguards: item 27, p. 3
When pressure cooking foods that expand (such as dried vegetables, beans, grains, rice, etc.), DO NOT fill pot more than halfway, or as otherwise instructed in a Ninja Foodi recipe.
Marked WARNING by the manufacturer Source: Important Safeguards: item 28, p. 3
- Put the ingredients in the pot with at least 1/2 cup of liquid, plus an accessory if the recipe calls for it. Do not go above the line marked PRESSURE MAX.
When using the PRESSURE COOK setting, ALWAYS keep the pressure lid locked and the pressure release valve turned anticlockwise to the SEAL position.
Marked WARNING by the manufacturer Source: Important Safeguards: item 41, p. 4
- Install the pressure lid and turn the pressure release valve to the SEAL position. See Install the pressure lid.
- Press the PRESSURE button. The default pressure level shows; use the TEMP arrows to select HIGH or LOW.
- Use the TIME arrows to set the cook time: minute increments up to 1 hour, then 5-minute increments from 1 hour to 4 hours.
- Press START/STOP. The display shows PRE until the unit reaches the proper temperature, then the set time begins counting down.
- When the cook time is complete, the unit beeps, switches to Keep Warm mode and counts up from 00:00.
- Let the unit release pressure naturally or, if the recipe instructs, quick release it. See Release pressure naturally.
After pressure cooking, you may press the KEEP WARM button to turn Keep Warm mode off.
Source: Using the Cooking Functions with the Pressure Lid: Pressure Cook Source: Using the Cooking Functions with the Pressure Lid: Pressure Cook, p. 15
Other OS401 procedures
- How to release pressure with the quick releaseOnly when the recipe calls for it, after pressure cooking is complete and the KEEP WARM light is on.
- How to release pressure naturallyWhen pressure cooking is complete and the recipe does not call for a quick release.
- How to install the pressure lidBefore using the Pressure Cook, Steam, Sous Vide, Slow Cook or Yogurt function.
- How to remove the pressure lidAfter the pressure has been released and the float valve has dropped.
- How to run a first Pressure Cook test with waterBefore first use. The guide recommends an initial run to get familiar with pressure cooking.
- How to remove and reinstall the silicone ringTo wash the ring after use or to replace it.
- How to remove and clean the anti-clog capAfter every use, and when checking the valves before cooking.
- How to install and remove the condensation collectorBefore first use, and to hand-wash the collector after each use.
- How to clean the unit after useAfter every use.
Sources
- OS401 Owner's Guide: Foodi 10-in-1 8-QT XL Pressure Cooker. SharkNinja Operating LLC. Document OS401_IB, revision MP_REV_Mv12, 25 pages, en. ninjakitchen.com. Listed on the manufacturer's support page. Retrieved 13 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.