INGREDIENTS
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1-1/2 pounds ground beef, 80/20 mixture
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1/2 cup sliced baby portobello mushrooms
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12 ounces wide, flat egg noodles
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1 medium onion, diced
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2-1/2 cups low-sodium beef broth
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3 tablespoons unsalted butter
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1 egg
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2 tablespoons vegetable or canola oil
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2 cloves garlic, minced
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2 tablespoons all-purpose flour
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2 teaspoons garlic powder
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1 tablespoon Worcestershire sauce
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1/2 cup sour cream
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1 teaspoon paprika
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1 teaspoon freshly chopped parsley
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Kosher salt and fresh ground black pepper