1lb sirloin tip cubed
8oz mushrooms
1 onion, diced
2 tbsp olive oil
1 tbsp worchestishiriere sauce
1 1/3 cup beef broth
1/2 cup water
1/4 cup flour
salt and pepper

Turn Instant Pot to saute on Normal, heat olive oil.
Add beef and stir until browned, then add onion, salt and pepper and saute until tender.
Turn off Instant Pot, add mushrooms, beef broth, and worchesthriere sauce.
Set Instant Pot to manual for 15 minutes. Quick release when done.
Set Instant Pot to saute on More and boil.
Whisk water and flour together until lumps are gone, and stir into boiling sauce and beef until thickened.