Step 1

Pierce/prick the potatoes with a fork; all over.

Step 2

Place the trivet and water into the pressure cooker/instant pot.

Step 3

Set the ube purple yams down in the cooker.

Step 4

Pressure cook on high for 20 minutes and natural release for 10 minutes. Note: small potatoes cook for 15-20 minutes and large potatoes cook for 25-30 minutes.

Step 5

Remove the potatoes from the cooker.

Step 6

Cut the potatoes in half and add 1-2 tsp butter to each potatoe (optional but recommended).