01 -
Pour 1 ½ cups water, French onion soup, cream of chicken soup, and Au Jus gravy mix into the Instant Pot insert. Whisk thoroughly to combine.
02 -
Place the cubed steaks into the pot, coating the pieces evenly with the prepared gravy mixture.
03 -
Secure the lid and set the valve to 'Sealing'. Cook on High Pressure manually for 20 minutes. Note that reaching pressure may take 5 to 10 minutes.
04 -
Perform a quick release by carefully turning the valve to 'Venting'. Exercise caution to avoid steam burns, ensuring all pressure is released before opening.
05 -
Set the Instant Pot to Sauté mode and remove the cubed steaks. In a separate small bowl, whisk together ¼ cup water and cornstarch to create a slurry.
06 -
Slowly whisk the slurry into the hot gravy in the Instant Pot. Continue stirring until the gravy thickens.
07 -
Return the cubed steaks to the pot to heat through briefly, then turn off the Instant Pot. Serve with mashed potatoes or preferred sides.