Season the beef chuck roast on all sides with sea salt and black pepper.
Heat the olive oil in a heavy-bottomed pot or Dutch oven over medium-high heat and sear the beef until a dark brown crust forms on all sides.
Remove the beef from the pot and set aside; add the diced onion, chopped carrots, and minced garlic to the pot, sautéing until the onions are translucent.
Stir in the tomato paste, dried thyme, and dried rosemary, cooking for one minute to wake up the aromatics.
Pour in the beef bone broth to deglaze the pot, scraping up any browned bits from the bottom with a wooden spoon.
Return the beef to the pot and add the halved baby potatoes.
Cover with a tight-fitting lid and simmer on low heat for 2 to 3 hours, or until the beef is tender and pulls apart easily with a fork.