In-N-OutPickles, extra spread, grilled onions, and mustard fried Burger PattiesPicklesSpreadGrilled OnionMustardBurgerSimply order your burger size (Cheeseburger, 2x2, 3x3...) and then ask for it to be made "Animal Style".All Locations6 - HighVaries by Sizehttp://hackthemenu.com/in-n-out/secret-menu/animal-style-burger/The In-N-Out Animal Style burger is one of In-N-Out Burger's most popular "secret menu" items. And for good reason! This one might actually be the grand-pappy of all secret menu items. It's been around since the beginning and has developed quite a loyal following. In addition to the standard toppings, Animal Style burgers include pickles, extra spread, grilled onions and mustard fried onto each meat patty. How tasty does that sound? So, if you are comfortable with eating a burger that can get a little sloppy, take a chance by asking for it Animal Style. In our opinion, the grilled onions and extra spread really seal the deal. When ordering, don't forget that you can get Animal Style Fries too! Be sure to check out the In-N-Out Secret Menu as well as visiting our home page to check out the complete list of All the Secret Menus from all your favorite restaurants!