Copycat In-n-Out Sauce (Easy Recipe) (2025)

FAQs

What is the In-N-Out sauce made of? ›

Spread 'em: Mastering the Special Sauce

I never understood why In-N-Out refers to their sauce as "Spread." Maybe they're just a little too cool for school. In any case, all it is is a basic Thousand Island-style dressing: a mixture of ketchup, mayonnaise, and sweet pickle relish.

This chain has plenty of well-known items on its menu, and the special In-N-Out sauce makes their signature burgers just that much better. It's often mistaken (by the naked eye) for Thousand Island dressing, but this spread has its own distinct flavor.

Ingredients in In-N-Out Spread

Mayonnaise: This is the base of the spread recipe. Ketchup: A couple tablespoons ketchup adds in the sweetness of this spread.

Recipe Notes

Refrigerate in an airtight container for up to 1 week. We love serving this sauce on burgers or fries!

At In-N-Out, french fries come from the finest, freshest potatoes. They're shipped right from the farm, individually cut in our stores, and then cooked in 100% sunflower oil.

According to In-N-Out's website, said chuck is, "individually inspected...from premium cattle selected especially for In-N-Out Burger." The 100% USDA ground chuck is free of additives, fillers, and preservatives. And no, the patties are never, ever frozen.

In-N-Out At Home. Known for its juicy burgers, melty American Cheese, and grilled onions and fresh onions, lettuce, tomatoes and the most delicious burger sauce.

Bun, 100% beef patty, lettuce, tomato, spread, 1 slice of American cheese, with or without onions. Bun, 2 100% beef patties, lettuce, tomato, spread, 2 slices of American cheese, with or without onions. Potatoes prepared fresh in 100% sunflower oil.

Extra toast: Ask In-N-Out to toast your buns a little bit longer. Secret sauce: Want a packet of In-N-Out's famous sauce? Just ask. Hint: It's pretty good for dipping fries.

Grilled onions cooked down in the collected meat juices on the hot griddle can be added to any sandwich, and come standard if you ask for your burger or fries Animal Style. An Animal Style burger also includes extra Thousand Island spread, mustard grilled patties, and extra pickles.

How to ask for a flying Dutchman In-N-Out? ›

If they don't know what the item is, simply ask for two burger patties and two slices of cheese to be grilled together and then sandwiched between grilled onions.

This creamy, tangy secret sauce adds a burst of flavor that takes their burgers, fries, and other menu items to a whole new level. Since they don't sell their special sauce like other popular fast food chains, if you want to enjoy it without the long line, you need a copycat sauce recipe like this one.

Yes, making homemade tomato sauce isn't as inexpensive or as simple as pouring it out of a jar but the extra effort rewards you with something much more flavorful and satisfying. It has much more interesting flavors. It's much more savory.

Storage: You can store this sauce in the fridge for up to 2 weeks in an airtight container. Don't freeze it. The dairy products will seperate when thawed. Don't leave it out longer than 2 hours at room temperature for food safety reasons.

Bottles, meanwhile, should be refrigerated after opening. Sauce packets are single use, which means they aren't meant to be opened and stored again. They're meant to be used immediately by customers, so the taste could change before the three-month mark.

Gravy is a sauce, but one that is specifically made from meat juices. Gravies are usually combined with some form of liquid, like chicken broth, milk, wine, or beef broth, before being introduced to a thickening agent like flour or cornstarch.

Soy sauce is made by combining cooked soybeans and cooked wheat grains into a paste, then adding either Aspergillus oryzae or sojae molds to begin fermentation. The culture is added to a salt brine and left to ferment further before being pressed to produce the liquid condiment or sauce.

The yellow chile peppers carried by IN-IN-OUT burger are in fact cascabella peppers. Cascabella peppers are cone shaped and produce a chile pepper that is approximately 1 ¾” long by ¾” wide. Cascabellas turn from yellow, to orange, to red when mature. The plant has green stems, green leaves and white flowers.

Bun, 100% beef patty, lettuce, tomato, spread, 1 slice of American cheese, with or without onions. Bun, 2 100% beef patties, lettuce, tomato, spread, 2 slices of American cheese, with or without onions.