The Westin St. Francis San Francisco on Union Square is a historic hotel that offers a breakfast and lunch package for guests. The hotel's breakfast menu includes a variety of options, such as eggs, bacon, pastries, and fresh fruits. For lunch, guests can choose from a range of delicious dishes, including salads, sandwiches, and gourmet entrees. The Westin St. Francis San Francisco on Union Square also provides a central location, making it convenient for guests to explore the city.