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irish pot roast made with guinness stout, carrots and garlic

Slow Cooker Irish Pot Roast

Prep Time 5 minutes
Cook Time 6 hours
Total Time 6 hours 5 minutes
Servings 5
Author Donya | asouthernsoul.com


  • 1 large onion - sliced thick
  • 4 carrots - cut into chunks
  • 4 pound chuck roast (I used bone in)
  • 1 cup Guinness stout
  • 1 tablespoon concentrated tomato paste (from a tube)
  • 4 cloves garlic - minced
  • 1 tablespoon Smoked Black Pepper (if you cannot find the blend I used, try any smoked pepper)
  • 1 & 1/2 tablespoons kosher salt


  • Place sliced onion in bottom of slow cooker. Add beef roast on top of onion and scatter carrots around sides. 
  • In a small bowl, add Guinness stout, tomato paste and garlic. Mix well. Pour over beef. Sprinkle over salt and pepper. Place lid on slow cooker. Set controls on low for 8 hours.
  • When beef is done, slice and serve.