Cheesy Avocado Spinach Pasta

Directions:                    

1. Cook pasta according to package directions. Reserve 4 tablespoons of cooking water, then drain pasta and return to pot.
2. Meanwhile, heat oil in a large skillet over medium heat. Add onion, garlic, salt and pepper and cook for 5 minutes or until golden brown.
3. Add spinach and tomatoes and cook 3 minutes, tossing frequently until they are soft. Toss with pasta.
4. Add avocado, cheese and reserved cooking water. Toss until cheese melts. Serve warm.

Recipe and Photo Courtesy of Amie Valpone, The Healthy Apple