"This Beef Stroganoff Soup recipe is easy to make, full of tender beef and noodles, and absolutely delicious!..."
INGREDIENTS
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3 tablespoons butter, divided
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1.5 pounds flank steak or sirloin steak, thinly sliced into bite-sized pieces
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salt and pepper
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8 ounces sliced baby bella (crimini) mushrooms
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1 small white onion, peeled and diced
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4 cloves garlic, minced
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1/2 cup dry white wine
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6 cups beef stock, divided
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1 tablespoon Worcestershire sauce
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8 ounces uncooked wide egg noodles
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1/4 tablespoons all-purpose flour
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1/2 cup sour cream*
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chopped fresh parsley