Beef Stroganoff

Bahan-bahan (5 porsi)

• 1 1/2 pounds boneless sirloin steak
• 1 teaspoon kosher salt
• 1/2 teaspoon ground black pepper
• 1/2 teaspoon garlic powder
• 1/2 teaspoon onion powder
• 2 tablespoons extra-virgin olive oil
• 2 tablespoons unsalted butter
• 2 tablespoons all-purpose flour
• 16 ounces cremini mushrooms ((baby bella), sliced)
• 4 cups unsalted beef stock (divided)
• 8 ounces whole wheat egg noodles ( or penne, rotini, or similar short noodle)
• 2/3 cup plain whole milk Greek yogurt (do not use nonfat or it will curdle)
• 3 tablespoons Worcestershire sauce
• 1 1/2 teaspoons Dijon mustard
• 1 tablespoon cornstarch mixed with 1 tablespoon water to create a slurry
• 2 teaspoons chopped fresh thyme (plus additional for serving)