Treat yourself by taking your In-N-Out order to the next level. When you roll up to order, ask for one of these secret menu ...

I ordered a SuperSonic Double Cheeseburger, fries, and a medium drink. The double-patty burger came topped with American cheese, lettuce, crinkle-cut dill pickles, diced onions, tomatoes ...

We tried classic cheeseburgers from four chains ... I also liked the choice of shredded lettuce, which added a crispy freshness. The fries were also solid: warm, crispy, and well-seasoned.