Mushroom Stroganoff

Ingredients (15)

• 1 tablespoon butter
• 1/2 cup chopped onion
• 2 tbsp unbleached all-purpose flour
• 2 cups fat-free
• 1 tbsp Worcestershire sauce
• 1 tsp tomato paste
• 5 oz sliced white mushrooms
• 8 oz sliced Cremini or baby Bella mushrooms
• 3.5 oz Shiitake mushrooms
• 1/4 tsp thyme
• salt and pepper to taste
• 2 tbsp white wine or sherry
• 1/4 cup reduced-fat sour cream
• 8 oz uncooked noodles
• 1 tbsp minced fresh flat-leaf parsley for garnish