INGREDIENTS
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Salt and freshly ground black pepper to taste
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1 4-pound boneless chuck roast or top or bottom round roast
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1 tablespoon canola oil
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1 (1-ounce) packet dry ranch dressing seasoning mix
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1 (1-ounce) packet dry au jus gravy mix
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1 stick unsalted butter
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5-6 pepperoncini or more if you like