Step 1

Pierce the squash all over with a paring knife. Pierce the squash all over with a paring knife, making about 12 (1/2-inch) vents for the steam to penetrate the squash's skin.

Step 2

Insert the steamer insert and add the water. Add the water to an electric pressure cooker insert and then set its steamer basket or a metal trivet inside as well.

Step 3

Cook on high pressure for 15 minutes. Add the squash to the insert. Seal the pressure cooker and cook on HIGH pressure for 15 minutes.

Step 4

Use instant release to release the cooker's pressure and remove the squash. When your 15 minutes is up, release the pressure immediately. Carefully open the cooker and remove the squash.

Step 5

Cool slightly, then shred the squash with a fork. Give the squash at least 10 minutes to cool before halving, removing the seeds, and shredding.