"Prep these beef stroganoff ingredients, cover the pot, and go! Simmering and braising beef stroganoff for a long time at a low temperature yields extra-intense flavor with little effort. The method is super convenient; whether you use a slow cooker or the oven for your beef stroganoff, you won't have to tend to the pot...."
INGREDIENTS
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2 pounds beef chuck, trimmed of excess fat and cut into thin slices (about 1/2 inch thick and 3 inches long)
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1 large onion, chopped (about 2 cups)
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1 pound white mushrooms, trimmed and halved (or quartered, if large)
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Coarse salt and ground pepper
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2 tablespoons cornstarch
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1/2 cup reduced-fat sour cream
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2 tablespoons Dijon mustard
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Cooked thin egg noodles, for serving
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Chopped fresh dill, for garnish (optional)