In-N-Out Burger 53 W El Camino Real, Mountain View, CA94040 In-N-Out Burger is a fast food restaurant located on the corner of El Camino Real and the 237 highway. The company…More started out as California's first drive-through hamburger stand in 1948, and little has changed on the menu since then. The menu promises the classic burgers, cheeseburgers, milk shakes, and fries at every In-N-Out location. The option of upgrading any burger or order of fries to animal style is available, which is a concoction of cheese, grilled onions and Thousand Island dressing. All the ingredients at In-N-Out are fresh and there is an open kitchen that allows customers to see that all their fries are fresh cut and the food made to order. The double double is popular burger for those with an appetite, and a vegetarian option is a cheese sandwich with vegetables.