Easy Spinach and Tortellini Soup

1. In a large pot, heat oil over medium heat. Add garlic and onion and cook for 1 minute.
2. Stir in tomatoes and vegetable broth and bring to a boil. Reduce heat to low and add spinach and tortellini. Cover and cook for about 5-6 minutes, just until tortellini are tender.
3. Season with salt and pepper to taste. Serve immediately with parmesan cheese if desired.