Jack in the Box is a fast-food chain that has a location in Palo Alto. They offer a variety of burgers, including their signature Jumbo Jack, Sourdough Jack, and Ultimate Cheeseburger. The patties are made from 100% beef and cooked to perfection. Jack in the Box also offers a range of sides, such as curly fries and onion rings, to accompany your burger. With its convenient drive-thru service and late-night hours, Jack in the Box is a popular spot for a quick and satisfying burger.