How about mixing up potatoes with sausages? It's a pretty popular combination. The addition of herbs and spices will enhance the taste and flavors of the dish.
Put the instant pot in mode browning
Fry the potatoes in oil (count 20min)
Add the onions and sausages
Continue to brown 2min
Add the water
Put the instant pot under pressure for 3 min
At the end of the cooking time, turn to mode browning to evaporate the liquid
Salt, pepper and add the parsley
Servings 4