10 celebrities' favorite sandwiches, from the basic to the bizarre Elvis Presley's favorite sandwich includes banana, bacon, and peanut butter. Hulton Archive/Getty Images The sandwich market is massive in the United States. From actors to musicians, many celebrities have been open about their favorite sandwiches. Some favorites are bread-and-butter staples, while others can't exactly be ordered at a deli. At the intersection of American food, culture, and business, the sandwich stands above all else. Subway has more locations than any other fast-food chain in the US. Chick-fil-A's and Popeyes' chicken sandwiches are the companies' best-selling items, and debates on the best chicken sandwich are always raging on social media. Jersey Mike's , amid rapid growth, is targeting thousands of new locations in the US, and as of this week, took the first step towards becoming a publicly traded company, Reuters reported . Beyond fast food, Americans are always making sandwiches at home.…