Preparation
1. In a large, deep skillet, heat oil over medium-high. Add mushrooms, onion, garlic & pepper. Cook 4-5 minutes or until onions are tender.
2. Add beef & cook 5-6 minutes or until cooked through, crumbling meat throughout.
3. Add broth & noodles. Cover & cook 15-20 minutes.
4. Meanwhile, in a small bowl, mix cornstarch & water. Remove skillet from heat. Add cornstarch mixture & yogurt. Stir until thickened.
5. Serve topped with parsley.