Cut the potatoes into even-sized chunks and add to the instant pot. Add the butter and chicken stock. Season to taste.
Put the lid on the instant pot and set on high pressure for 3 minutes.
Turn the oven on to preheat at 190 C (370 F).
Fry the chopped bacon until crispy whilst the potatoes are cooking.
Leave the instant pot under pressure for another 6 minutes and then do a quick release.
Add the milk, soft cheese and sour cream.
Either mash with a hand masher or use an electric mixer
Add the dried chives, parsley, onion and garlic powder and mash again.
Fold in the crispy bacon, spring (green) onions and grated cheese.
Transfer to an oven proof dish.
Top with the remaining cheese and bake until the cheese melts thoroughly (around 20 minutes).
Serve and enjoy.