Ingredients
- 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
Directions
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).
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.
Photo: Overnight Pot Roast Recipe

















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By ThaitalianMama
San Pedro, CA
on November 27, 2012
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Excellent recipe! Cut the cooking time in half by setting slow cooker on high instead of low. Worked out great and didn't have to wait an entire day to eat it! Used Chuck Roast instead of Flank and it came out PERFECT...so moist, tender, and flavorful with plenty of sauce to go over my homemade mashed potatoes! Husband and daughter LOVED IT! Definitely making this again SOON!
By djmoore3_8542423
belton,, TX
on May 24, 2012
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This recipe is great. I added baby yukon potatoes and baby carrots with the celery to make a whole meal.
By melissacurran@f...
Cincinnati, OH
on October 23, 2011
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My family loved this recipe. My 10 year old asked for it for her birthday dinner. Serve with mashed potatoes...yum!
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