"Mushrooms add a different touch to these comforting roast beef sandwiches. I like to pile the shredded beef high on Kaiser rolls.—Scott Powell, Phillipsburg, New Jersey..."
INGREDIENTS
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1 beef rump roast or bottom round roast (3 to 4 pounds)
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1 can (10-3/4 ounces) condensed cream of mushroom soup, undiluted
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1 envelope onion soup mix
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2 celery rib, finely chopped
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1 jar (6 ounces) sliced mushrooms, drained
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15 kaiser rolls, split