Mix the seasoning blend in a small bowl and rub it all over the pork roast. This can be done right before cooking or up to 48 hours prior to cooking.
Pour 1 cup of water into the inner pot of the Ninja Foodi. Place the pork roast on the reversible rack in the low position and lower the rack into the inner pot.
Put the pressure lid on and turn the valve to seal. Set the pressure on high for 15 minutes and press start. See notes below for timing recommendations based on size of pork roast.
When the time is up, allow the pot to naturally release the pressure for a full 10 minutes. The pin may drop before the 10 minutes is up, but don't open the lid until the 10-minute mark.
Remove the pressure lid and check the internal temp of the pork roast. It should be between 100-110℉/38-43℃. If it is higher or lower, please do not worry, you can air crisp to the perfect temperature.
Close the crisping lid and select the air crisp/air fry function and set the temperature to 400℉/200℃ and the time for 20 minutes. You do not need to empty the liquid before air frying.
Check an internal temperature after about 5-10 minutes and continue air frying until the internal temperature in the very center of the pork roast reads between 130-135℉/54-57℃.
Remove the roast and let it sit on the rack or on your cutting board for 10-15 minutes. During this time, the temperature will rise up to the perfect serving temperature of 145℉.
Here are my suggestions for pressure cook times for different size pork roasts. Remember to air fry after pressure cooking to temperature and not time.
1-2 pounds with a diameter of 3-4": set high pressure for 10 minutes
2-3 pounds with a diameter of 3-4": set high pressure for 15 minutes
3-4 pounds with a diameter of 3-4": set high pressure for 18 minutes
If the diameter of your pork loin roast is 4-6", increase the pressure cooking time by 3 minutes. Remember, it is always better to undercook than overcook. You can fix undercooked pork by air frying it longer, but if it overcooks there is nothing that can be done.