Place the thawed chicken breasts in the bottom of the pot.
Pour the chicken stock over the chicken breasts.
Add the italian seasoning, garlic powder, onion powder, salt, pepper and butter. (The butter is optional here but it add amazing flavor!)
Lock the lid in place and turn the valve to sealing.
Select Pressure Cook (or manuaand cook on high pressure for 10 minutes. (It will take approximately 10 minutes to come to pressure before cooking)
Once the cook time is finished, allow the pressure to release naturally...DO NOT TOUCH IThis will take about an additional 10 minutes.
Remove the lid and drain 1/3 of the liquid.
Shred the chicken in the pot and serve as desired.
Notes
Shredded Chicken Breast can be stored in the refrigerator in an airtight container for up to 3 days.Shredded chicken can be frozen in an airtight, freezer safe container for up to 2 months.