Melt butter in heavy large ... in broth and tortellini. Bring to boil. Reduce ... minutes. Stir tomatoes, spinach and basil into soup. Simmer ... Serve, passing Parmesan separately.
In large saucepan, over medium-high ... Add broth and tortellini, heat to a boil. ... 10 minutes. Add spinach and tomatoes; simmer 5 minutes more. Serve topped with cheese.