"A tender, juicy pot roast needs just a few minutes to get ready before simmering for 6 to 8 hours in the slow cooker...."
INGREDIENTS
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1 (3 pound) beef chuck roast
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1 onion, quartered
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1 (10.5 ounce) can beef broth
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1 (1 ounce) packet dry au jus mix
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1 (.7 ounce) package dry Italian salad dressing mix (such as Good Seasons®)
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1/2 teaspoon salt
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1/2 teaspoon ground black pepper