Pour water into the instant pot's steel insert, place the trivet inside and place the potatoes on top of the trivet.
Secure the lid and close the pressure valve.
The cook time will vary according to the size of the potatoes. - Baby/Bite-sized potatoes (1 to 2 ounces), cook at high pressure for 4 minutes. - Small potatoes (3 to 5 ounces), cook at high pressure for 8 minutes. - Medium potatoes (6 to 8 ounces), cook at high pressure for 10 minutes. - Large potatoes (9-12 ounces), cook at high pressure for 12 minutes. Naturally release pressure for 10 minutes, then open the valve to release any remaining pressure.