Season beef with salt, pepper and minced garlic
Chop 1 onion in 4 big wedges
Place in the beef pressure cooker with the 4 wedges of onion and the stock
Pressure cook for 20 minutes
Release the pressure and open the lid
Remove the beef and SAVE 2 cups of stock in another container
With 2 forks, shred the beef
Beef should be tender enough to so easily
If not, cook for another 10 minutes
Press the saute button of the Instant pot
Add the olive oil
When the machine beeps, add the sliced onion, pepper and tomatoes
Cook until tender
Add the shredded beef back in the pot and mix
Pour in 1 1/2 cups of the saved stock, the Worcestershire sauce, tomato paste, ketchup and cumin