Slow Cooker Pot Roast with Vegetables
A hearty, comforting classic, Slow Cooker Pot Roast with Vegetables brings together tender meat, softened carrots and potatoes, and a rich, savory sauce. This dinner is effortless, cozy, and perfect for feeding a crowd or planning next-day lunches. The slow cooker does the heavy lifting, while a few simple aromatics provide depth and warmth that tastes like a Sunday supper any day of the week.
Prep Time 15 minutes mins
Course Main Course
Cuisine American
Servings 8
Calories 480 kcal
For the Roast
- 3-4 lb chuck roast bone-in or boneless
- 2-3 garlic cloves minced
- 1 tbsp olive oil for searing
- Salt and freshly ground black pepper to taste
For the Braising Sauce
- 2 cups beef broth plus s splash for deglazing
- 2 tbsp tomato paste
- 1 teaspoon Worcestershire paste
- 1 bay leaf
- 1 teaspoon dried thyme or a few fresh springs
For the Vegetables
- 1 large onion cut into wedges
- 4 large carrots, peeled and cut into 2-inch pieces
- 12 small baby Yukon Gold or red potatoes halved or quartered if large
Step 1: Season and Sear the Roast
Pat the chuck roast dry with paper towels — this is essential for a good sear. Season generously on all sides with salt and pepper, then rub the minced garlic evenly over the surface. If time allows, let the roast rest at room temperature for 30–60 minutes after seasoning; this helps it sear more evenly. Heat the olive oil in a heavy skillet or cast iron pan over medium-high heat until shimmering. Sear the roast for 3–4 minutes per side without moving it, until a deep, mahogany crust forms on all sides. This step is not optional — it builds the flavor base that carries through the entire dish.
Step 2: Deglaze and Build the Braising Base
Remove the roast and set aside. Pour a generous splash of beef broth or red wine into the hot skillet and scrape up every browned bit from the bottom — this fond is concentrated flavor and it all goes into the slow cooker. Transfer the deglazing liquid to the slow cooker, then add the remaining beef broth, tomato paste, Worcestershire sauce, bay leaf, and thyme. Stir briefly to combine everything into a cohesive braising liquid.
Step 3: Layer the Vegetables and Roast
Place the onion wedges, carrots, and potatoes into the slow cooker, arranging them in an even layer across the bottom and sides. Nestle the seared roast on top of the vegetables — this keeps the meat elevated slightly so it braises rather than boils. Pour the braising liquid over everything until it reaches roughly halfway up the sides of the roast. The vegetables will release their own moisture as they cook, so don't worry if the liquid looks modest at the start.
Step 4: Slow Cook to Tenderness
Cover the slow cooker with its lid and cook on low for 8–10 hours for the most tender, fall-apart result, or on high for 4–6 hours if you need it done sooner. The roast is ready when it pulls apart easily with two forks and the vegetables are completely fork-tender. Avoid lifting the lid during cooking — every peek adds 20–30 minutes to the cooking time.
Step 5: Make the Sauce and Serve
Carefully remove the roast and vegetables and set them on a warm serving platter, tented loosely with foil. Discard the bay leaf. If you'd like a glossy, thicker sauce, pour the braising liquid into a small saucepan and bring to a simmer. Whisk in the cornstarch slurry and cook for 2–3 minutes until the sauce thickens to a rich gravy consistency. Taste and adjust with salt, pepper, or a splash of Worcestershire. Slice or shred the roast, arrange the vegetables alongside, and spoon the sauce generously over the top. Finish with fresh parsley or thyme and serve immediately.