Festive Slow-Cooked Beef Tips

Directions

1. Sprinkle beef with salt and pepper. In a large skillet, heat oil over medium-high heat. Brown beef in batches. Remove with a slotted spoon to a 3- or 4-qt. slow cooker.
2. In same pan, add onion and celery; cook and stir until tender, 6-8 minutes. Add garlic; cook 1 minute longer. Add broth, wine, rosemary and bay leaf. Bring to a boil; cook until liquid is reduced to about 2 cups, 8-10 minutes.
3. Pour over beef in slow cooker; stir in mushrooms. Cook, covered, on low until meat is tender, 6-8 hours. Remove rosemary and bay leaf.
4. In a small bowl, mix cornstarch, water and vinegar until smooth; gradually stir into beef mixture. Serve with noodles.