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Slow Cooker Balsamic Roast Beef Sandwiches

Slow Cooker Balsamic Roast Beef Sandwiches

  • Author: Seasoned Sprinkles
  • Prep Time: 5 minutes
  • Cook Time: 6 hours 30 minutes
  • Total Time: 6 hours 35 minutes
  • Yield: 6-8 servings 1x


Slow cooker balsamic roast beef sandwiches are a quick, stress free meal.


  • 3 pound chuck or loin roast
  • 6 onions
  • 5 cloves of garlic, pressed
  • 2 bay leaves
  • 1 sprig of thyme
  • salt and pepper to taste
  • 1 cup balsamic vinegar
  • 1 cup of red wine of your choosing
  • 2 tablespoons of dijon mustard
  • 23 cups of beef broth*


  1. Quarter the onions and remove peels. Place half the onions on the bottom of the slow cooker.
  2. Season both sides of the roast liberally with salt and pepper. Place roast on the bed of onions.
  3. Press garlic cloves and put directly on roast.
  4. Cover with remaining onion quarters.
  5. Add 1 cup of balsamic vinegar and 1 cup of wine. Then pour in just enough beef broth to cover the roast. It will vary based on size and shape of the roast. I used 2 3/4 cups. Add the mustard, whisking it with a fork briefly to incorporate it. Finish by adding 2 bay leaves and a sprig of fresh thyme.
  6. Cook covered on low for 6 hours or until you can pull the roast apart with a fork.
  7. At the 6 hour mark, shred the roast with a fork, turn heat to high and let cook for another 30 minutes. Serve on rolls, topping with cheese if desired, or serve with a bed of mashed potatoes.
  • Category: dinner


  • Serving Size: 6-8 servings