Copycat Animal Style French Fries

These Copycat Animal Style French Fries are a must-try for any fan of In-N-Out Burger! These tasty and addicting fries are topped with a delicious combination of melted cheese, grilled onions, and special sauce.

animal style french fries on a white platter.

If you ask us, the best thing about this recipe is that you don’t have to leave the house and pay the high price at the restaurant to satisfy your fast food craving. We call that a win-win.

plate of animal fries on a counter.

❤️ Why You’ll Love This Recipe

  • You only need simple ingredients so you don’t have to spend all day trying to track down hard-to-find items.
  • All the ingredients are also budget-friendly so you don’t have to spend a ton of money at the grocery store.
  • Plus, this recipe is easy to make so even beginners can make it.


bowls of vinegar, onions, water, brown sugar, butter, french fries, salt, relish, sugar, mayo, ketchup, and american cheese.

Gather these ingredients on your next trip to the grocery store so that you can enjoy this delicious side dish with your family this week.

  • frozen fries – we like to use shoestring fries. However, any fries will do.
  • yellow onion – a white onion can also be used.
  • butter – we used salted butter
  • brown sugar – we used light brown sugar
  • salt
  • water
  • mayonnaise
  • ketchup
  • sweet pickle relish
  • sugar
  • white vinegar
  • American cheese

See the recipe card below for quantities.

🔪 How to Make These Copycat Animal Style Fries

This is a quick overview of the instructions needed to make this recipe. You can find the full steps in the recipe card at the bottom of the post.

french fries on a large serving platter.

Cook the french fries according to the package directions.

onions and brown sugar being cooked in a skillet.

Meanwhile, saute the onions, brown sugar, and salt in a large skillet until soft and caramelized. Add water if needed.

special sauce being whisked in a glass bowl.

Whisk together the sauce ingredients until well combined.

sauce being poured over french fries on a platter.

Top the warm fries with cheese slices, onions, and sauce. Allow the cheese to melt before serving.

🥄 Equipment

You will need a few simple tools to help you make this recipe:

  • small bowl
  • whisk
  • large skillet

🥫 Storage

Store leftovers in an airtight container in the fridge for 2-3 days. Just note that the fries may become soggy, so if you think that you are going to have leftovers, we recommend that you don’t all the cheese and sauce to them.

Serve With

We love to save this tasty side dish with a simple meal like this Dijon Grilled Chicken. We also like to end our meal with a sweet treat like this Lemon Cake.

💭 Tips

Here are a few tips that you can use to help these fries turn out perfectly for you:

  • For the true fast food flavor, try deep frying your french fries.
  • If you fry your french fries make sure that drain them well.
  • If the fries are warm then you add them to the baking sheet and pop them in the oven to melt the cheese.
bite of animal style fries held in a woman's fingers in the air.

⁉️ FAQ

Do you have questions about this recipe? Here are the answers to the most commonly asked questions.

Why does In and out call their fries animal style?

The name comes from crowd customers that were nicknamed “animals”.

🍽 More Copycat Recipes

Do you enjoy copycat recipes? If so, try these delicious recipes:

🧾Recipe Card

Want to make this copycat animal style french fries recipe? Print the recipe card below, or pin this recipe, so you can find it later.

animal style french fries on a white platter.

Copycat Animal Style French Fries

These Copycat Animal Style French Fries tastes just like your In and Out favorite. The best part? You don’t have to leave the house!
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Course: Side Dish
Cuisine: American
Prep Time: 15 minutes
Cook Time: 15 minutes
Total Time: 30 minutes
Servings: 12 Servings
Calories: 256kcal


  • large pan
  • serving platter
  • Whisk


  • 32 ounces frozen fries any type
  • 1 large yellow onion
  • 1 tablespoon butter
  • 1 teaspoon brown sugar
  • ½ teaspoon salt
  • 1-2 tablespoons water
  • 3 tablespoons mayonnaise
  • 1 ½ tablespoons ketchup
  • 1 tablespoon sweet pickle relish
  • ½ teaspoon sugar
  • ½ teaspoon white vinegar
  • 4 slices American cheese


  • Cook fries according to package directions.
  • Preheat a large frying pan over medium-low heat, add the butter, and let it melt.
  • Peel and chop the onion into small pieces and add it to the frying pan.
  • Add the brown sugar and salt to the onion and let it cook slowly.
  • Add water if necessary.
  • In a small bowl, add the mayonnaise, ketchup, sweet pickle relish, sugar, and vinegar.
  • Whisk to combine.
  • On a serving platter, start by placing the hot fries as the bottom layer.
  • Quickly lay on the slices of cheese in an even layer and allow the hot fries to melt the cheese. Cover the cheese with a layer of onions and add the sauce as the top layer.
  • Enjoy!


Any nutritional data I provide is an approximation and actual dietary information can vary based on ingredients and proportion sizes.


Serving: 1Serving | Calories: 256kcal | Carbohydrates: 25g | Protein: 4g | Fat: 16g | Saturated Fat: 5g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 8g | Trans Fat: 0.1g | Cholesterol: 9mg | Sodium: 636mg | Potassium: 356mg | Fiber: 4g | Sugar: 2g | Vitamin A: 96IU | Vitamin C: 6mg | Calcium: 84mg | Iron: 1mg

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