Prepare the Roast:
Preheat oven to 325°F (165°C). Season chuck roast generously with salt, pepper, and garlic powder.Sear the Meat:
In a large oven-safe pot or Dutch oven, heat olive oil over medium-high heat. Sear roast on all sides until browned. Remove and set aside.Sauté Vegetables:
In the same pot, sauté onion, carrots, and celery until softened.Build the Braise:
Return roast to pot. Add beef broth, red wine (if using), bay leaves, and thyme. Bring to a simmer. Cover and transfer to oven.Slow Roast:
Cook for 3–4 hours until the meat is fork-tender and easily shredded.Make Mashed Potatoes:
While roast is cooking, boil potatoes in salted water until fork-tender. Drain and mash with butter, milk, salt, and pepper until creamy.Serve:
Slice or shred roast. Serve with mashed potatoes and spoon pan juices over the top.
