How about trying to cook your pork roast in a different manner? In the following recipe, milk is used to cook the meat. It will make the texture and taste special.
Put the instant pot in browning mode
In the oil and butter mixture, brown the roast
Add the onion and mushrooms
During the time of the browning, boil the milk in a saucepan
Add the stock base and flour to the roast
Salt, pepper
Pour in the boiling milk
Switch the instant pot to pressure cooking mode 17min
At the end of the cooking, add the potatoes
Put the instant pot back into pressure cooking 10min
Servings 5