"This Instant Pot pot roast from frozen is the eaisest way to make a three-ingredient dinner with red wine, beef and gravy...."
INGREDIENTS
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1 cup red wine
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1 3 - 3.5 lb frozen chuck roast (about 3 inches thick)
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1 (16 ounce) jar marinara sauce
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Gravy
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3 tablespoons cornstarch
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1/4 cup cold water
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Salt and Pepper