01 -
Chop carrots into large pieces and quarter the yellow onions. Mince the garlic cloves.
02 -
Generously season the beef chuck roast with kosher salt and freshly ground black pepper on all sides.
03 -
For added flavor, sear the roast in a heavy-bottomed skillet over medium-high heat until all sides develop a deep brown crust.
04 -
Layer the chopped carrots, quartered onions, and minced garlic at the bottom of the slow cooker. Position the seasoned beef roast atop the vegetables.
05 -
Pour beef broth and Worcestershire sauce evenly over the roast and vegetables.
06 -
Cover with the lid and cook on low for 8 hours, or set to high for 4 hours, until the beef is tender and easily shredded.
07 -
Remove the cooked roast and vegetables from the crockpot. In a small bowl, combine cornstarch with an equal amount of cold water to form a slurry. Stir this mixture into the remaining slow cooker liquids. Cover and continue to heat until the gravy thickens.
08 -
Slice or shred the pot roast. Portion with carrots and onions, and drizzle with the rich gravy before serving.