Quick Beef and Noodles

Ingredients

• 2-1/2 cups uncooked yolk-free noodles
• 1/3 cup sliced fresh mushrooms
• 1/3 cup chopped onion
• 1 tablespoon olive oil
• 1-1/4 cups reduced-sodium beef broth
• 6 ounces deli roast beef, cubed
• 1/8 teaspoon pepper
• Optional: Sour cream and minced fresh parsley