Overnight Pot Roast

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  • Level: Easy
  • Total: 8 hr 10 min
  • Prep: 10 min
  • Cook: 8 hr
  • Yield: 6 servings
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1 large onion, sliced

1 large flank steak (about 3 pounds)

2 teaspoons Montreal steak seasoning, McCormick Grill Mates

1 packet (1.0-ounce) onion soup mix, Lipton

1 can (14.5-ounce) stewed Italian tomatoes, S&W

3 stalks celery, cut into 1-inch pieces

1 can (10.75-ounce) condensed cream of celery soup, Campbells


  1. Place onion in the bottom of a 5-quart slow cooker. Coat flank steak with Monteal seasoning; place on top of onion. Sprinkle soup mix over roast and add undrained tomatoes. Cover and cook on low heat setting for 8 hours (overnight).
  2. In the morning, stir together the celery and celery soup. Spoon into slow cooker. Cover and continue cooking for 8 hours more. Serve roast hot with gravy.