01 -
Place the sliced onion in the bottom of your slow cooker.
02 -
Lay the beef roast on top of the onions.
03 -
Pour in the beef broth, Worcestershire sauce, and soy sauce.
04 -
Sprinkle garlic powder, onion powder, thyme, black pepper, and salt over the beef.
05 -
Cover and cook on LOW for 8 hours or HIGH for 4–5 hours, until the beef is tender and easy to shred.
06 -
Remove beef from the slow cooker and shred with two forks.
07 -
Strain out onions and return broth to the pot. Stir in a cornstarch slurry (2 tbsp cornstarch mixed with 2 tbsp water) to thicken into a gravy.
08 -
Place a slice of bread on a plate, top with mashed potatoes, add shredded beef, and ladle gravy generously over the top.