Slice and chop the peppers
Cut the chuck roast into smaller pieces
Season the meat with salt, pepper, and garlic powder
Heat oil in a pot and sear each side of the meat
Deglaze the pot to remove browned bits
Add seasoning (onion powder, garlic powder, oregano, thyme, basil) and beef broth
Return meat to pot and cover with broth
Simmer for 5 hours until meat is falling apart
Simmer shredded meat for another 30 minutes
Fill toasted buns with shredded beef and peppers
Serve
