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Animal Style Fries (In-N-Out Copycat) Recipe

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4.4 from 6 reviews

This Animal Style Fries recipe is an In-N-Out burger joint classic replication featuring crispy oven-baked fries topped with melted American or Cheddar cheese, sweet caramelized onions, and a tangy, creamy special sauce. Perfect for a savory snack or a fun appetizer, these loaded fries are bursting with flavor and easy to prepare at home.

  • Total Time: 1 hour
  • Yield: 4 servings

Ingredients

Oven Baked French Fries

  • 1 batch Oven Baked French Fries (see linked recipe)

Cheese

  • 4 slices American cheese or 1 cup shredded Cheddar cheese
  • OR Cheddar cheese sauce (see linked recipe)

Caramelized Onions

  • 1 large yellow onion, chopped
  • 2 tablespoons butter
  • 1/4 teaspoon salt
  • 1/4 teaspoon sugar

In-N-Out Style Sauce

  • 1/2 cup good mayonnaise
  • 3 tablespoons ketchup (homemade recommended)
  • 2 tablespoons sweet pickle relish (homemade recommended)
  • 1 tablespoon finely minced sweet onion
  • 1 teaspoon yellow mustard
  • 1 teaspoon white vinegar
  • 1/2 teaspoon sugar
  • 1/4 teaspoon salt
  • 1/4 teaspoon onion powder
  • 1/8 teaspoon garlic powder

Instructions

  1. Make the Sauce: In a bowl, combine mayonnaise, ketchup, sweet pickle relish, finely minced sweet onion, yellow mustard, white vinegar, sugar, salt, onion powder, and garlic powder. Stir well to combine, then cover and refrigerate for at least 4 hours to allow the flavors to meld. This sauce can be prepared up to several days in advance for convenience.
  2. Prepare the Fries: Follow the linked recipe to make a batch of Oven Baked French Fries. This involves baking the fries until crisp and golden, typically using the oven baking method.
  3. Caramelize the Onions: While the fries bake, melt butter in a skillet over medium heat. Add the chopped yellow onion, salt, and sugar, then cook slowly, stirring occasionally until the onions are deeply browned and caramelized, usually taking about 15-20 minutes. Remove from heat once browned evenly.
  4. Assemble and Serve: Place the hot oven-baked fries on a serving plate. Top with the American cheese slices or shredded Cheddar cheese. If using shredded Cheddar, microwave the fries briefly until the cheese melts. Next, add a generous layer of caramelized onions over the cheese. Spoon the chilled special sauce on top and serve immediately for the best taste.

Notes

  • For best flavor, allow the sauce to sit refrigerated for at least 4 hours or overnight.
  • If using shredded Cheddar cheese, melting it in the microwave on top of fries works well to achieve gooey cheese coverage.
  • Caramelizing onions slowly over medium heat brings out their natural sweetness and creates a rich flavor contrast.
  • You can substitute American cheese with Cheddar cheese sauce for a different cheesy texture.
  • This recipe serves 4 people as a generous side or snack portion.
  • Oven baking the fries is a healthier alternative to deep-frying while still achieving crispy results.
  • Author: Monica
  • Prep Time: 10 minutes
  • Cook Time: 50 minutes
  • Category: Side Dish
  • Method: Baking
  • Cuisine: American