Set your Pressure Cooker to Saute
Add olive oil, onion garlic, and herbs de Provence to your Instant Pot and saute until onions are translucent
Add beef to your pressure cooker and brown meat.
add carrots, corn, peas, and, Worcestershire sauce, tomato paste, and beef broth
Place the pressure cooker trivet on top of the food.
Place baby potatoes in a piece of tin foil and form a packet over the trivet. You can also use a vegetable steamer in place of the foil and trivet.
Close pressure cooker lid and seal vent.
Cook on high pressure for 15 minutes. If you're cooking only the filling then cook it for 8 minutes.
vent and open lid
Remove Trivet with potatoes, and smash the potatoes in a mixing bowl with salt, pepper and the rest of the butter.
Set your Instant pot to saute for 5-8 minutes to thicken the mixture.
Add potatoes on top of Shepherd's pie.