Put pineapple chunks in a food processor fitted with a steel blade.
Process for several minutes until smooth.
Squeeze the juice from the limes into the Instant Pot. Add the pineapple
puree and sugar to the IP. Close the lid and turn the valve to Sealing
position. Press the "Pressure Cook" or "Manual" button and set the time for
10 minutes on High pressure.
When the IP is done cooking, quick release (QR) the steam.
Press the Saute button on the IP and set the time to 15 minutes. Let the
pineapple jam cook, stirring periodically, until thickened (about 10