Chicken Stroganoff - Master recipes

Ingredients

• 1 (12-oz.) package egg noodles -
• 2 tbsp. butter -
• 1 tbsp. vegetable oil -
• 1 lb. boneless skinless chicken breasts, cut into 1" pieces -
• Kosher salt -
• Freshly ground black pepper -
• 2 tbsp. extra-virgin olive oil, divided -
• 1 lb. baby bella mushrooms, thinly sliced -
• 1/2 large onion, chopped -
• 2 cloves garlic, minced -
• 2 tsp. fresh rosemary or thyme leaves, chopped -
• 4 c. low-sodium chicken broth, divided -
• 2 tsp. Dijon mustard -
• 1 tsp. Worcestershire sauce -
• 2 tbsp. cornstarch -
• 2 tbsp. sour cream, plus more for serving  -
• 2 tbsp. freshly chopped parsley -