beef and noodles recipe

Ingredients:** - 500g beef sirloin, thinly sliced - 250g egg noodles - 2 tablespoons vegetable oil - 1 onion, thinly sliced - 3 garlic cloves, minced - 500ml beef broth - 2 tablespoons soy sauce - 1 tablespoon Worcestershire sauce - 1 teaspoon cornstarch (optional, for thickening) - Salt and pepper to taste - Fresh parsley, chopped (for garnish)