Heat the instant pot in saute mode. Add olive oil and once it's heated through, add the chicken.
Sauté till it gets a bit of color .This step can be done on the stove too.Remove from the pot.
Add butter to the pan and let it melt.
To that, add onion, scrape with a wooden spoon. Add Mushrooms and saute for 1 minute.
Add Stock and deglaze well. Scrape the bottom of the instant pot and free any stuck caramelized bits.
Add the Chicken,Paprika,garlic powder,dijon mustard and Worcestershire sauce. Season with salt.Cancel Saute.
Close the lid, select HIGH PRESSURE for 2 minutes with the pressure valve in sealing position.
Once the cooking time is done, let the pressure release naturally for 5 minutes after which quick release the pressure.
Open the pot. Add Sour cream and give it a mix.
Mix the corn starch in ⅛ cup water. Add to the pot and switch to sauté till the gravy thickens slightly.
Garnish with Parsley.
Video
Notes
To use different types of chickenChicken Breast- Change the time of pressure cooking to 1 minute.Whole Chicken Thighs- Change the time of pressure cooking to 6 minutes. After the pressure cooking, cut it into bite sized pieces and put back in the instant pot.DeglazeWhen sautéing before pressure cooking, always make sure the burnt stuck bits on the bottom of the inner pot are scrapped away with a wooden spoon or a silicon spatula. If not done, the instant pot will give the burn sign even with enough liquid.Worcestershire SauceYou can replace this with soy sauce but the taste will not remain exactly the same.