In-N-OutFree Extra Toppings, Special Spread Packets, & Hot PeppersToppingsSpreadHot PeppersAsk for Special Spread Packets or Hot Pepper Packets when you pick up your order. Or if you want them put on your burger for you, ask for extra of any of the normal fixin's when you place your order.All Locations5 - Medium-HighFreehttp://hackthemenu.com/in-n-out/secret-menu/free-extras/The In-N-Out Secret Menu is very expansive and always a great bargain. But are there any completely free upgrades? The answer is yes, there definitely are. You are welcome to ask for extra lettuce, tomato, and onion on any burger. And if you want to get a little more adventurous, feel free to ask for a Mustard Grilled Patty , hot peppers, or even Whole Grilled Onions . And if you want to try a burger that has a little bit of everything, then you have to check out In-N-Out's Animal Style Burger . You can even ask for In-N-Out Special Spread Packets or Hot Pepper Packets on the side. The best part of all is that these things are COMPLETELY FREE to add to your burger! 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!