Slow Cooker 4-Ingredient Onion Soup Pot Roast

Servings: 6
Prep Time: 10 minutes
Cook Time: 8–10 hours

Ingredients

  • 3 to 3½ pounds beef chuck roast
  • 2 packets (1 oz each) dry onion soup mix
  • 2 large yellow onions, thinly sliced
  • 2 cups beef broth (preferably low-sodium)

Instructions

  1. Prepare the onions
    Peel and thinly slice the onions. Spread them evenly across the bottom of a 6-quart slow cooker to form a base.
  2. Add the roast
    Pat the chuck roast dry with paper towels. Place it directly on top of the sliced onions.
  3. Season the meat
    Sprinkle the dry onion soup mix evenly over the top and sides of the roast. Gently press it into the surface so it sticks.
  4. Add the broth
    Pour the beef broth around the sides of the roast, being careful not to rinse the seasoning off the top.
  5. Cook low and slow
    Cover the slow cooker with the lid. Cook on LOW for 8–10 hours, until the beef becomes extremely tender and pulls apart easily with a fork.
  6. Shred the roast
    Use two forks to gently pull the roast into large pieces in the slow cooker. Stir the onions and juices so the beef is coated in the rich gravy.
  7. Serve
    Spoon the pot roast onto plates and top with plenty of the caramelized onions and savory gravy.

Serving Suggestions

  • Serve over creamy mashed potatoes.
  • Pair with buttered egg noodles or steamed rice.
  • Add sides like green beans, roasted carrots, or a fresh salad.
  • Enjoy with crusty bread to soak up the gravy.

Variations & Tips

  • For deeper flavor, sear the roast in a hot skillet before adding it to the slow cooker.
  • To thicken the gravy, whisk 1–2 teaspoons cornstarch with water, stir into the hot liquid, and cook on HIGH for 10–15 minutes.
  • Add a splash of Worcestershire sauce or red wine vinegar at the end for extra depth.
  • Use low-sodium broth and soup mix if you prefer less salt.

This simple slow cooker recipe turns just four ingredients into a tender, flavorful pot roast with rich onion gravy—perfect for a comforting family dinner.

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