In-N-Out Copycat Animal Style Fries

Short Description

Animal Style Fries are a crispy, cheesy, and flavorful take on classic French fries, topped with melty American cheese, caramelized onions, and In-N-Out’s famous sauce. This copycat recipe brings the beloved West Coast fast food favorite to your kitchen, perfect for a delicious side or indulgent snack!

Why You’ll Love This Recipe

  • Crispy homemade or frozen fries smothered in toppings
  • Perfectly caramelized onions for rich, sweet flavor
  • Copycat In-N-Out secret sauce that’s creamy and tangy
  • Easy to make at home—no drive-thru needed!
  • Customizable with extra cheese or grilled jalapeños

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

For the Fries:

  • Frozen French fries (or homemade fries)
  • Vegetable oil (for frying, if making homemade)
  • Salt

For the Caramelized Onions:

  • Butter
  • Yellow onion, finely chopped
  • Sugar (optional, for extra sweetness)
  • Water (as needed)

For the In-N-Out Sauce:

  • Mayonnaise
  • Ketchup
  • Yellow mustard
  • Sweet pickle relish
  • White vinegar
  • Sugar
  • Paprika

For Assembly:

  • American cheese slices

Directions

Step 1: Cook the Fries

  1. Air-fry, deep-fry, or bake the fries until crispy and golden brown.
  2. Sprinkle with salt and set aside.

Step 2: Caramelize the Onions

  1. Melt butter in a pan over medium-low heat.
  2. Add chopped onions and cook slowly, stirring occasionally.
  3. Add a splash of water as needed to prevent burning.
  4. Cook for 15–20 minutes until onions are soft and golden brown.

Step 3: Make the Copycat In-N-Out Sauce

  1. In a bowl, whisk together mayonnaise, ketchup, mustard, relish, vinegar, sugar, and paprika.
  2. Mix well and chill until ready to use.

Step 4: Assemble the Animal Style Fries

  1. Place hot fries on a plate or tray.
  2. Lay American cheese slices over the fries, allowing them to melt.
  3. Spoon the caramelized onions on top.
  4. Drizzle generously with In-N-Out sauce.

Step 5: Serve and Enjoy

  1. Serve immediately and enjoy your homemade Animal Style Fries!

Servings and Timing

  • Servings: 2–3
  • Prep Time: 10 minutes
  • Cook Time: 25 minutes
  • Total Time: 35 minutes

Variations

  • Extra Spicy: Add grilled jalapeños or hot sauce.
  • Protein Boost: Top with chopped grilled burger patties.
  • Double Cheese: Use shredded cheddar in addition to American cheese.
  • Loaded Animal Style Fries: Add bacon bits or crispy onions.
  • Low-Carb Option: Use baked sweet potato fries instead.

Storage/Reheating

  • Refrigeration: Store leftover fries separately from sauce for up to 2 days.
  • Reheating: Reheat fries in an air fryer or oven at 375°F (190°C) for 5–7 minutes.
  • Not Freezer-Friendly: Fries lose crispiness when frozen.

FAQs

Can I use frozen fries?

Yes! Air-fried or baked frozen fries work just as well.

What cheese does In-N-Out use?

They use American cheese, which melts perfectly over the fries.

Can I make this ahead of time?

You can prep the caramelized onions and sauce in advance, but assemble fresh.

How do I prevent soggy fries?

Use double-fried or air-fried fries for extra crispiness.

Can I use a different sauce?

Yes! Try spicy mayo, ranch, or BBQ sauce for a twist.

Is this recipe vegetarian?

Yes! Just ensure your fries and cheese are vegetarian-friendly.

Can I make this gluten-free?

Yes! Use gluten-free fries and sauce ingredients.

Can I use shredded cheese instead?

Yes! Shredded cheddar or a cheese blend works well.

What’s the best way to caramelize onions faster?

Cook over medium heat with a pinch of sugar to speed up caramelization.

Can I make this in the oven?

Yes! Bake fries at 425°F (220°C) for 20 minutes, flipping halfway.

Conclusion

These In-N-Out Copycat Animal Style Fries bring the bold flavors of the classic fast-food favorite right to your kitchen! With crispy fries, melty cheese, sweet caramelized onions, and creamy tangy sauce, this indulgent dish is a must-try. Make it today and enjoy a true West Coast treat!

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In-N-Out Copycat Animal Style Fries

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  • Author: clara
  • Prep Time: 20 minutes
  • Cook Time: 30 minutes
  • Total Time: 50 minutes
  • Yield: 23 servings 1x
  • Category: Side Dish, Snack
  • Method: Baking, Air Frying, or Frying
  • Cuisine: American, Fast Food

Description

These Animal Style Fries are a copycat version of In-N-Out’s famous loaded fries! Crispy golden fries are topped with melted American cheese, caramelized onions, and creamy special sauce for the ultimate indulgent snack or side dish.


Ingredients

Units Scale

For the Fries:

  • 2 large russet potatoes (or use frozen fries for a shortcut)
  • 2 tablespoons vegetable oil
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper

For the Caramelized Onions:

  • 1 large onion (finely diced)
  • 1 tablespoon butter
  • 1 teaspoon vegetable oil
  • 1/2 teaspoon salt
  • 1 teaspoon sugar (optional, for extra sweetness)
  • 1 tablespoon water (to deglaze the pan)

For the Animal Style Sauce:

  • 1/2 cup mayonnaise
  • 2 tablespoons ketchup
  • 1 tablespoon sweet pickle relish
  • 1 teaspoon mustard
  • 1/2 teaspoon white vinegar
  • 1/2 teaspoon sugar (optional, for balance)

For Topping:

  • 4 slices American cheese (or cheddar, for a sharper flavor)



Instructions

1. Prepare the Fries

  1. Peel and cut potatoes into thin fries. Soak in cold water for 30 minutes to remove excess starch. (Skip this step if using frozen fries.)
  2. Drain and pat dry. Toss with vegetable oil, salt, and pepper.
  3. Air Fryer Method: Cook at 400°F (200°C) for 15-18 minutes, shaking halfway.
  4. Oven Method: Bake at 425°F (220°C) for 30 minutes, flipping halfway.
  5. Frying Method: Heat oil to 350°F (175°C) and fry in batches for 3-4 minutes, then drain on paper towels.

2. Caramelize the Onions

  1. Heat butter and oil in a pan over medium-low heat.
  2. Add onions and salt, stirring occasionally. Cook for 15-20 minutes until golden brown.
  3. Stir in sugar (optional) and 1 tablespoon water to deglaze the pan. Set aside.

3. Make the Animal Style Sauce

  1. In a bowl, mix mayonnaise, ketchup, relish, mustard, vinegar, and sugar. Refrigerate until ready to use.

4. Assemble the Animal Style Fries

  1. Place hot fries on a serving plate.
  2. Melt cheese on top by microwaving for 30 seconds or placing under a broiler for 1 minute.
  3. Add caramelized onions and drizzle generously with Animal Style sauce.

5. Serve & Enjoy!

  1. Grab a fork and dig in! Serve immediately for the best texture.

Notes

  • Want extra crispy fries? Double-fry them for extra crunch.
  • Shortcut Version: Use frozen crinkle-cut fries and pre-made caramelized onions.
  • Make it Spicy: Add hot sauce or diced jalapeños to the sauce.

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