INGREDIENTS
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2 cups beef broth or water, approximately
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1 tablespoon bacon drippings (preferred), rendered beef fat, or unsalted butter
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3 pounds boneless chuck roast, or 5 pounds bone-in roast
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2 large yellow onions, trimmed, peeled, and thinly sliced
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1 tablespoon Worcestershire sauce
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1 tablespoon unbleached all-purpose flour