The Best Way to Cook Spaghetti Squash (Instant Pot)

  • Author: Erin
  • Prep Time: 5 minutes
  • Cook Time: 7 minutes
  • Total Time: 12 minutes
  • Yield: 1 spaghetti squash 1x
  • Category: Side Dish
  • Method: Instant Pot
  • Cuisine: American


How to cook spaghetti squash in the Instant Pot (whole or halved).  Recipe intended for Instant Pot Duo 6 qt.



  • 1 small to medium spaghetti squash cut in half the short way (widthwise)
  • 1 cup water


  1. Pour water in bottom of Instant Pot.
  2. Place trivet inside
  3. Ensure Instant Pot is sealed.
  4. Close lid and cook on High Pressure for 7 minutes.
  5. Quick release for both methods according to manufacturers instructions.
  6. See notes for whole-cooked modifications.


If you are wanting to cook a whole spaghetti squash follow directions above, but pierce whole spaghetti squash with knife all the way through to the center to allow it to vent while cooking. ¬†Cook on High Pressure for 20 minutes for medium squash. Quick release per manufacturer’s instructions.

Keywords: instant pot, spaghetti squash