1. Make dumpling batter: mix flour, baking powder, salt, and optional dried parsley
2. Break egg into 1 cup measuring cup and beat lightly.
3. Add enough buttermilk (or milk) to make 1/2 cup.
4. Mix liquid with dry ingredients to make a soft batter, and set aside.
5. Set Instant Pot™ to sauté
6. Chop vegetables
7. Cut chicken into 1" square pieces
8. When Instant Pot™ reads "HOT", melt butter and add onion powder and poultry seasoning. Stir to blend. (If using chopped onion, add it now and stir for approximately 5 minutes or till onion softens.)
9. Add vegetables and stir to soften (3 minutes).
10. Add chicken broth, stirring to deglaze pan
11. Add cut up chicken, and stir to mix veggies and chicken
12. Using an ice cream scoop, drop balls of batter into the broth
13. Turn off Instant Pot™
14. Lock lid and close vent
15. Set Instant Pot™ to Pressure Cook for 3 minutes
16. When cooking time is up, let vent naturally for 15 minutes, then release remaining pressure.
17. Stir in heavy cream being careful not to break the dumplings
18. Serve and enjoy