Dice carrots, red pepper and green onions. Peel garlic and crush with the back of a knife. Peel and mince or chop garlic.
Add chuck roast and all other ingredients EXCEPT cornstarch and water to inner pot of Deluxe Multi Cooker. Set to BEEF/PORK for 60 minutes.
When the timer is up, press CANCEL. Press STEAM-RELEASE. Carefully remove chuck roast from the inner pot.
Set Deluxe Multi Cooker to SEAR.Mix together cornstarch and water to make a slurry. Add slurry to broth, mixing to incorporate. Cook for 3 minutes, or until thickened.
Shred beef, then add back into sauce. Serve over rice or lettuce leaves, if desired.
Notes
To cook in slow cooker, follow directions, set slow cooker to LOW for 8 hours.