Turn Instant pot on to Saute', heat for a minute with the oil
Season Beef with plenty of Salt, Pepper, Thyme & Garlic powder
Sear Beef on all sides until browned in the instant pot
Remove Beef and place on a plate
Add Onions, saute for 3 minutes
Add broth and scrape bottom of pot, add worcestershire sauce & tomato paste and blend together
Turn off Saute'
Put Beef back in the pot
Add cut up Carrots and Potatoes (make sure potatoes are not too small, so they don't over cook-leave small potatoes whole and cut regular ones in 1/2)
Seal lid and move valve to SealingTurn Instant Pot On to Manuel Setting for 50 minutes When the buzzer goes off you can use the quick release or wait 10 minutes on the delayed release
Remove Beef and Vegetables from the pot
Mix the arrowroot flour/starch (start with just 1 tbsp- with a small amount of cold water or if you have leftover broth that is cold (about 1/4 cup)
Turn on the Saute buttonSlowly add the water and flour to the broth constantly stirring- do a little at a time until you get to the thickness you like for your gravy