Slow-Cooked Beef Chuck Roast with Carrots and Onions

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Tender slow-cooked beef chuck roast infused with aromatic herbs and paired with sweet carrots and caramelized onions for a hearty Whole30 dinner. This american-inspired beef (whole30, gluten free) ready in about 320 minutes pairs beef chuck roast, smashed garlic cloves, (Whole30 compliant) beef broth for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 480 calories and feeds 6, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 20 min Cook: 300 min Serves 6 American cuisine 480 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 2 tbsp olive oil in a large skillet over medium-high heat. Season 3 lbs beef chuck roast with 1 tsp sea salt and 1/2 tsp black pepper. Sear roast for 4 minutes per side until a deep brown crust forms. Transfer to slow cooker.
  2. Step 2: In the same skillet, sauté 2 sliced medium yellow onions for 4 minutes until softened and slightly browned. Add 5 smashed garlic cloves and cook 1 minute until fragrant.
  3. Step 3: Add sautéed onions and garlic to the slow cooker along with 4 large peeled and cut carrots and 2 cups Whole30-compliant beef broth.
  4. Step 4: Sprinkle 1 tsp dried thyme, 1 tsp dried rosemary, 1/2 tsp sea salt, and 1/2 tsp black pepper over the roast and vegetables.
  5. Step 5: Cover and cook on low for 8 hours or on high for 4-5 hours until beef is fork-tender and carrots are soft.
  6. Step 6: Remove beef and vegetables carefully. Slice beef against the grain and serve with the carrots and onions ladled with cooking juices.

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Frequently asked questions

How long does Slow-Cooked Beef Chuck Roast with Carrots and Onions take to make?

Total time is about 320 minutes (20 min prep + 300 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Slow-Cooked Beef Chuck Roast with Carrots and Onions?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep beef chuck roast from drying out.

Can I substitute ingredients in Slow-Cooked Beef Chuck Roast with Carrots and Onions?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Slow-Cooked Beef Chuck Roast with Carrots and Onions for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Slow-Cooked Beef Chuck Roast with Carrots and Onions whole30?

Yes — this recipe is tagged whole30, gluten free, dairy free based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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