Turn Instant Pot to saute HIGH. Add olive oil to pot.
Salt and pepper beef strips and add to instant pot ½ at a time. Do not crowd or they won't brown. Cook for a few minutes until you get some good browning. Remove from pot and cook next batch.
Once beef is done add garlic to pot and cook for one minute. Add beef broth, tamari, maple syrup and sesame oil. Give it a quick stir and add beef and juices.
Set pot to high pressure and sealed and use the manual button to cook it for 10 minutes.
While the beef cooks microwave the broccoli in a microwave safe bowl with ½ cup water for about 5 minutes. Poke with a fork to check tenderness.
Whisk cornstarch and water in a small bowl until combined.
When timer goes off indicating the 10 minutes is up just let the pot sit there for 10 minutes and then do a manual release. Use a dishtowel to to turn the knob to venting.
Turn the pot to saute and add the cornstarch mixture. Stir well to coat the meat. Add the steamed broccoli in and stir again. Cook for a minute or two until saue thickens and bit and the broccoli warms up.
Serve with white rice or for a healthier option brown rice, quinoa or cauliflower rice.