Slow Cooker Pot Roast with Gravy & Mashed Potatoes

There’s nothing quite like coming home to the comforting aroma of a slow-cooked pot roast simmering all day. Tender beef, rich gravy, and creamy mashed potatoes — this is the ultimate comfort meal that feels like a warm hug on a cold evening. This recipe not only melts in your mouth but also fills your kitchen with that old-fashioned, homey smell that everyone loves. Let’s make a slow cooker pot roast so good, it’ll become your go-to Sunday dinner.

Ingredients

For the Pot Roast:

  • 3–4 lbs (1.5–2 kg) beef chuck roast
  • 2 tablespoons olive oil
  • Salt and black pepper, to taste
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 1 teaspoon dried thyme
  • 1 teaspoon dried rosemary
  • 1 large onion, sliced
  • 4 garlic cloves, minced
  • 4 large carrots, peeled and cut into chunks
  • 3–4 medium potatoes, cut into large pieces (optional if serving with mashed potatoes)
  • 2 cups beef broth
  • 1 tablespoon Worcestershire sauce
  • 2 tablespoons tomato paste (optional, for richer flavor)
  • 2 tablespoons cornstarch + 2 tablespoons water (for thickening the gravy)

For the Mashed Potatoes:

  • 6–8 large potatoes, peeled and cubed
  • ½ cup butter (1 stick)
  • ½ cup warm milk or heavy cream
  • Salt and pepper, to taste
  • Optional: 2 cloves roasted garlic or ½ cup sour cream for extra creaminess