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Home » Recipes » Sides

In-N-Out Animal Style Fries (Copycat)

Published Mar 10, 2021 by Allyson · 24 Comments
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French fries loaded with sweet onions, melted cheese, and zesty sauce make these delicious Copycat In-N-Out Animal Style Fries! Now you can make these anytime at home with this easy recipe!

French fries loaded with sweet onions, melted cheese, and zesty sauce make these delicious Copycat In-N-Out Animal Style Fries! Now you can make these anytime at home with this easy recipe!

In-N-Out is a national chain restaurant that's mostly found in the Western United States, but there are a few locations scattered throughout the country. Whenever I visit somewhere with an actual In-N-Out, I have to go and order their Animal Style Fries off the secret menu.

Not so secret anymore, this is the ONLY way to eat the In-N-Out french fries. They are topped with caramelized onions, melted American cheese, and delicious In-N-Out Sauce (copycat recipe here). This copycat recipe is going to blow your mind!

French fries loaded with sweet onions, melted cheese, and zesty sauce make these delicious Copycat In-N-Out Animal Style Fries! Now you can make these anytime at home with this easy recipe!

Making copycat In-N-Out Animal Style Fries is EASY! You only need a few things and you can create this delicious snack or meal at home!

Serve these alongside an Air Fryer Hamburger, Air Fryer Hot Dog, or Copycat Taco Bell Mexican Pizzas for the perfect meal!

How to make In-N-Out Animal Style Fries:

**scroll down for full ingredients list and printable directions**

  • Get all the ingredients together: frozen french french fries, an onion, American cheese slices, and In-N-Out Sauce.
  • Make the sauce:
    • ½ cup mayonnaise (reduced fat or regular)
    • 3 TBS ketchup
    • 1 tsp yellow mustard
    • 1 tsp white vinegar
    • 2 ½ TBS sweet pickle relish
    • dash of salt & dash of black pepper
    • Mix all in a bowl, then place in the fridge to meld the flavors.
copycat in-n-out sauce in a bowl
  • Cook the french fries: Make homemade french fries or frozen french fries. I use frozen because it's easier. Throw them in the Air Fryer for quick cooking (Air Fryer French Fry recipe here).
  • While the fries are cooking, caramelize the onions: Add butter to a skillet, then add chopped onions. Cook for 5 minutes over medium heat, sautéing. Add a pinch of salt and pepper, then cook 5 more minutes, sautéing while cooking. Once the onions are browned they are done.
  • Preheat the oven to BROIL.
how to make in-n-out animal style  fries
  • Spread the cooked french fries in an even layer on a baking covered with parchment paper or foil. Add 4 slices of American cheese over the top of the fries. Place into the oven and broil for 5 minutes, watching it closely. Once the cheese is melted they are done. *Broil time may vary based off your oven, so watch them carefully while they are cooking* Remove from oven.
  • Spread cooked onions over the top evenly. Spread In-N-Out Sauce over the top. Eat immediately!!
French fries loaded with sweet onions, melted cheese, and zesty sauce make these delicious Copycat In-N-Out Animal Style Fries! Now you can make these anytime at home with this easy recipe!

This copycat recipe will be your absolute favorite! It is SPOT ON for the original Animal Style Fries from In-N-Out! They are so easy to make and can be done in less than 20 minutes.

If you like fries as much as me, checkout these other french fry recipes from Domestic Superhero:

  • Air Fryer Frozen French Fries
  • Air Fryer Zucchini Fries (no oil)
  • Air Fryer Green Bean Fries (no oil recipe)
  • Air Fryer Avocado Fries
  • Air Fryer Asparagus Fries (easy recipe)
  • Buffalo Chicken Fries
  • Arby’s Curly Fries (Copycat)
  • Loaded Buffalo Bleu Cheese Fries

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5 from 14 votes
Print
Copycat In-N-Out Animal Style Fries
Prep Time
5 mins
Cook Time
15 mins
Total Time
20 mins
 

French fries loaded with sweet onions, melted cheese, and zesty sauce make these delicious Copycat In-N-Out Animal Style Fries! Now you can make these anytime at home with this easy recipe!

Course: Side Dish, Snack
Cuisine: American
Keyword: Copycat In-N-Out Animal Style Fries
Servings: 4 servings
Ingredients
For the fries:
  • 32 ounces frozen french fries
  • 4 American cheese slices
For the onions:
  • 1 medium yellow onion, chopped
  • 1 TBS butter
  • ⅛ teaspoon salt
  • ⅛ teaspoon pepper
For the sauce:
  • ½ cup mayonnaise (reduced fat or regular)
  • 3 TBS ketchup
  • 1 teaspoon yellow mustard
  • 1 teaspoon white vinegar
  • 2 ½  TBS sweet pickle relish
  • dash salt
  • dash pepper
Instructions
For the sauce:
  1. Mix all sauce ingredients in a bowl, then place in the fridge to meld the flavors.

For the fries:
  1. Cook the frozen french fries according to the directions. Set aside.

For the onions:
  1. To caramelize the onions, place a medium or small skillet over medium heat. Add butter and melt. Add chopped onions and cook for 5 minutes over medium heat, sautéing. Add a pinch of salt and pepper, then cook 5 more minutes, sautéing while cooking. Once the onions are browned they are done. Set aside.

To assemble fries:
  1. Preheat the oven to broil. Cover a medium baking sheet with parchment paper or foil. Spread the cooked french fries in an even layer. Add 4 slices of American cheese over the top. Place into the oven and broil for 5 minutes, watching it closely. Once the cheese is melted they are done. *Broil time may vary based off your oven, so watch them carefully while they are cooking* Remove from oven.

  2. Spread cooked onions over the top evenly. Spread In-N-Out Sauce over the top. Eat immediately.

Recipe Video

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Reader Interactions

Comments

  1. Natalie

    March 10, 2021 at 9:55 am

    5 stars
    So addicting!! Luckily my kids don't care for all the toppings, which means more for me!! Saves me a trip to In-n-Out!

    Reply
    • Johnathan

      May 05, 2022 at 6:01 pm

      You actually use yellow mustard to caramelize onions as well!

      Reply
  2. Jessica Burgess

    March 10, 2021 at 10:11 am

    5 stars
    Um... how do I say "thank you" in a way that screams my "thanks"? Haha. My husband said these were the best fries he's ever had and I have to agree. By far our favorite and now I don't think we'll ever have regular fries again! THANK YOU!

    Reply
  3. Beth

    March 10, 2021 at 10:52 am

    5 stars
    These look amazing and so tasty! My family and I are going to love this recipe! So excited to give this a try!

    Reply
  4. Alicia

    March 10, 2021 at 4:42 pm

    5 stars
    I have always loved animal style burgers and fries, but I live in the south and we don't have In-N-Out here! I am SO HAPPY that you shared this recipe because it is identical..or maybe even better than the restaurant! THANK YOU!

    Reply
  5. Vik

    March 11, 2021 at 12:57 am

    5 stars
    These look and taste just like the original! Super easy to make too

    Reply
  6. Erin

    March 11, 2021 at 5:42 am

    They sound amazing! I've never had these before but what's not to love about them?!

    Reply
  7. katerina

    March 11, 2021 at 1:10 pm

    5 stars
    WOW!! I can't wait to try these! My family is going to LOVE Them!!

    Reply
  8. Beti

    March 11, 2021 at 1:13 pm

    5 stars
    These are AMAZING! My kids are gonna be SO happy!!

    Reply
  9. Erin

    March 11, 2021 at 1:46 pm

    5 stars
    These Fries are mouth watering! My family definitely love these!

    Reply
    • jae

      August 29, 2022 at 7:27 pm

      what fried brand/type did you use?

      Reply
      • Allyson

        August 31, 2022 at 10:40 am

        I used thin french fries from Kroger (kroger brand), but any brand works!

        Reply
  10. Sandra

    March 19, 2021 at 5:37 pm

    5 stars
    This was a huge snack at my house yesterday! So fun!

    Reply
  11. Kevin

    April 12, 2021 at 5:29 pm

    5 stars
    These hit the spot! I cannot wait to make these!

    Reply
  12. Mia

    November 08, 2021 at 2:46 pm

    5 stars
    I live on the east coast and I know in-n-out is a west coast food chain, I just made this recipe and if in-n-out taste anything like this…it’s amazing

    Reply
    • Allyson

      November 10, 2021 at 4:03 pm

      Mia...it is SOOOO good!!!! You aren't missing out since you have this recipe, seriously SO GOOD!

      Reply
  13. Sandi

    August 04, 2022 at 4:45 pm

    5 stars
    This is probably good, but I'm lazy and I use Thousand Island Dressing and its pretty much the same. But yes, I'm making these today with some burgers!

    Reply
  14. Sandi

    August 04, 2022 at 4:45 pm

    5 stars
    This is probably good, but I'm lazy and I use Thousand Island Dressing and its pretty much the same. But yes, I'm making these today with some burgers! My family says they are better than In & Outs Animal Fries!

    Reply
    • Allyson

      August 05, 2022 at 10:12 am

      You can definitely go that way with the thousand island and no one can get mad at a time-saver! These fries are so good! Happy y'all loved them!!

      Reply

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