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In-N-Out Animal Style Burgers
Ingredients
- 2 tablespoons vegetable oil, plus more for brushing
- 2 large onions, finely chopped
- Kosher salt
- 1/4 cup mayonnaise
- 2 tablespoons ketchup
- 1 tablespoon sweet pickle relish
- 1/2 teaspoon white vinegar
- 2 pounds ground beef chuck (preferably 60 percent lean)
- 4 hamburger buns, split
- 1/4 cup sliced dill pickles
- 3/4 cup shredded iceberg lettuce
- 4 to 8 thin slices tomato
- Freshly ground pepper
- 1/4 cup yellow mustard
- 8 slices American cheese
Directions
Onion topping:
- Heat the vegetable oil in a large skillet over medium-low heat. Add the onions and 3/4 teaspoon salt, cover and cook, stirring occasionally, until golden and soft, about 30 minutes. (If the onions brown too quickly, reduce the heat to low.)
- Uncover, increase the heat to medium high and continue to cook, stirring often, until caramelized, about 8 more minutes.
- Add 1/2 cup water to the skillet, scraping up any browned bits from the bottom of the pan.
- Simmer, stirring, until the water evaporates, about 2 more minutes; transfer to a bowl and set aside. (The onions can be made up to 3 days ahead; cover and refrigerate, then reheat before using.)
Sauce:
- Mix the mayonnaise, ketchup, relish and vinegar in a bowl; set aside.
Buns:
- Heat a griddle or skillet over medium heat; lightly brush with vegetable oil. Toast the buns on the griddle, split-side down.
- Spread each toasted bun bottom with about 1 tablespoon of the mayonnaise mixture, then top with a few pickles, some lettuce, 1 or 2 slices tomato and another dollop of the mayonnaise mixture; set aside. (Keep the griddle hot.)
Meat:
- Shape the beef into 8 patties, about 4 inches wide and 1/2 inch thick. Season both sides of the patties with salt and pepper.
- Working in batches if necessary, put the patties on the griddle and cook 3 minutes.
- Spread about 1 1/2 teaspoons mustard on the uncooked side of each patty, then flip and top each with 1 slice cheese; continue cooking about 2 more minutes for medium doneness.
Assemble:
- Top 4 of the patties with caramelized onions, then cover with the remaining patties, cheese-side up. Sandwich the double patties on the buns.
Reference