Chicken Mushroom Stroganoff (Creamy 35-Minute Dinner)

Ingredients

• 8 oz (225 g) wide egg noodles
• 1 teaspoon kosher salt, for the pasta water
• 1 tablespoon unsalted butter, optional for tossed noodles
• 1 1/4 lb (565 g) boneless skinless chicken thighs, cut into bite-size pieces
• 1 teaspoon kosher salt, divided
• 1/2 teaspoon black pepper
• 1 tablespoon olive oil
• 3 tablespoons unsalted butter, divided
• 10 oz (285 g) cremini mushrooms, sliced
• 1 small yellow onion, finely chopped
• 3 cloves garlic, minced
• 2 tablespoons all-purpose flour
• 1 1/2 cups (360 ml) low-sodium chicken broth
• 1 teaspoon Dijon mustard
• 1 teaspoon Worcestershire sauce
• 1/2 cup (120 g) full-fat sour cream, room temperature
• 2 tablespoons chopped fresh parsley or chives