In-N-Out Burger

In-N-Out Burger delivers the freshest fast-food beef on the West Coast, with patties made from never-frozen, domestically sourced chuck. Each burger is assembled to order, and the chain's streamlined menu—just three burger options—allows for an average service speed of 90 seconds per car. The secret menu, including items like Animal Style, adds variety without compromising simplicity. Chick-fil-A (#2) may lead in per-restaurant revenue, but In-N-Out tops it in customer satisfaction scores, maintaining a 97% approval rating among surveyed fans.