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West Coast Animal-Style Loaded Fries

Crispy french fries smothered in melted American cheese, deeply caramelized onions, and a tangy, savory signature spread. A homemade tribute to the iconic West Coast fast-food classic.

Prep 15 min Cook 35 min Total 50 min Level Easy

Serves 4

Ingredients

The Fries

1.5 lbs Frozen french fries (shoestring or standard cut) — Can also use freshly cut potatoes if preferred, but frozen yields authentic fast-food texture.
1 teaspoon Kosher salt — For seasoning after baking
6 slices American cheese slices — High-quality deli American cheese melts best

Caramelized Onions

2 medium Yellow onions — Finely diced
1 tablespoon Unsalted butter
1 tablespoon Vegetable oil
0.5 teaspoon Salt

Signature Spread

0.5 cup Mayonnaise
3 tablespoons Ketchup
2 tablespoons Sweet pickle relish
1.5 teaspoons White vinegar
0.5 teaspoon Granulated sugar

Instructions

Preheat your oven and bake the frozen french fries according to the package directions until crispy and golden brown.
~25 min
For extra crispiness, leave them in the oven for an additional 3-5 minutes.
While the fries are baking, heat the butter and vegetable oil in a large skillet over medium heat. Add the finely diced onions and salt.
~5 min
The combination of oil and butter prevents the butter from burning while providing great flavor.
Cook the onions, stirring frequently, until they become deep golden brown and heavily caramelized. If they start to dry out or burn, add a splash of water.
~20 min
Patience is key here. Authentic animal-style onions are very soft and dark.
In a small mixing bowl, whisk together the mayonnaise, ketchup, sweet pickle relish, white vinegar, and sugar to create the signature spread. Set aside.
~5 min
Make the spread ahead of time and keep it in the fridge to allow the flavors to meld.
Once the fries are done, remove them from the oven and immediately toss with kosher salt. Group the fries closely together on the baking sheet.
~1 min
Lay the slices of American cheese evenly over the hot fries. Return the baking sheet to the oven for 1-2 minutes until the cheese is completely melted.
~2 min
Watch closely so the cheese melts but doesn't burn.
Remove the cheesy fries from the oven. Top evenly with the caramelized onions, then generously drizzle the signature spread over the entire platter. Serve immediately.
~2 min
Transfer to a serving platter before adding the sauce for better presentation, if desired.

Nutrition

610

Calories

Protein (g)

Carbs (g)

Fat (g)

Sat. Fat (g)

Fiber (g)

Sugar (g)

980

Sodium (mg)

Cholesterol (mg)

Equipment

Large baking sheet
Large skillet
Small mixing bowl
Spatula

Tips & Storage

Deli-sliced American cheese melts much better than individually plastic-wrapped singles.
For the closest flavor match to the fast-food original, ensure your onions are chopped quite small before caramelizing.
If you want an extra kick, add a dash of yellow mustard to the fries right before melting the cheese.
Storage: These fries are best enjoyed immediately. Leftovers can be stored in an airtight container in the refrigerator for up to 2 days, but the fries will become soggy. Reheat in the oven or air fryer at 350°F until warm.