Season the chuck roast evenly on all sides with salt, pepper, garlic powder, and onion powder.Heat olive oil in a skillet over medium-high heat. Sear the roast on all sides until deeply browned.Place potatoes, carrots, onion, and garlic in the bottom of the slow cooker.Set the seared roast on top of the vegetables.In a bowl, whisk together beef broth, tomato paste, Worcestershire sauce, thyme, and rosemary.Pour the mixture over the roast and vegetables.Cover and cook on LOW for 8–9 hours or HIGH for 4–5 hours, until fork-tender.Garnish with fresh parsley if desired and serve hot.
Serving Suggestions
Serve with crusty bread to soak up the juicesShred the beef and serve over mashed potatoesPair with a simple green salad for balance
Storage
Refrigerate: Up to 4 daysFreeze: Up to 3 months (store with broth for best results)