Get a good bottle of wine to prepare that dish. You may as well drink the other half of it with your meal. The chunks of beef with carrots and mushrooms spiced well should be very good.
Put the instant pot in mode browning
Brown onion and beef pieces in oil for 3 minutes
Season with pepper and salt
Meanwhile prepare your carrots, mushrooms
Melt the cube in hot water
Put the instant pot in pressure cooking mode 35 minutes
Servings 4