Generously season chuck roast with salt and pepper.
Warm oil in an Instant Pot on saute mode. Then, add a layer of beef to brown and sear. Repeat with the remaining ingredients, and set it aside.
Add the carrots, celery, and onion to the Instant Pot; cook until the onions soften and become translucent, for about 10 minutes. Then, stir in the garlic and flour. Continue cooking until the onions become brown.
Stir in the marmite, Worcestershire, and tomato paste, and cook for about 30 seconds until it becomes fragrant.
Deglaze the pot with water and Better than Bouillon, gently scraping up any brown bits left by searing the meat and cooking the vegetables. Return the reserved beef and add the potatoes and bay leaves.
Secure the lid, and set the Instant Pot to manual high pressure for 40 minutes with a 10-minute natural release.
Notes
Expert Tips:
Select boneless beef chuck with a good amount of marbling, and cut it yourself rather than using pre-cut stew meat.
Cut the beef and vegetables the same size to ensure they cook at the same rate.
Sear the beef to lock in moisture and build the base of flavor for the stew.
Deglaze the Instant Pot with water and Better Than Bouillon, scraping up the burnt bits at the bottom to avoid a burn notification on your Instant Pot.
Nutrition Disclosure:
The nutritional information shown is an estimate provided by an online nutrition calculator. It should not be considered a substitute for professional advice.