In-N-Out Copycat Animal Style Cheeseburgers
This In-N-Out style smashburger features crispy-edged beef patties, melty American cheese, rich caramelized onions, and that signature tangy special sauce.
Equipment
Ingredients
Patties
ground beef (80/20)
900 g
salt
2 tsp
black pepper
1 tsp
American cheese
8 slice
neutral oil
2 tbsp
In-N-Out Style Sauce
mayonnaise
120 ml
ketchup
45 ml
sweet relish
30 ml
white vinegar
15 ml
Worcestershire sauce
15 ml
sugar
2.5 g
black pepper
2.5 g
garlic powder
5 g
caramelized onions (finely chopped)
30 ml
Caramelized Onions
yellow onions (thinly sliced)
2 piece
butter
14 g
oil
15 ml
salt
1 pinch
To Assemble
hamburger buns (soft)
6 piece
butter
30 g
tomatoes (sliced)
2 piece
pickles
120 ml
shredded lettuce (shredded)
60 g
extra caramelized onions
60 ml
Instructions
Caramelize the onions
Heat butter and oil in a pan over medium-low heat. Add sliced onions and a pinch of salt. Cook slowly, stirring occasionally, for 25–35 minutes until deeply golden and jammy.
Prepare the special sauce
In a bowl, combine mayonnaise, ketchup, relish, vinegar, Worcestershire, sugar, black pepper, garlic powder, and 2 tbsp of the caramelized onions. Mix until smooth and refrigerate for at least 30 minutes.
Prepare the beef patties
Divide ground beef into 2–3 oz portions and roll into loose balls. Do not season yet.
Heat the griddle
Heat a griddle or heavy skillet over high heat. Lightly oil the surface.
Smash and cook the patties
Place beef balls onto the hot surface and immediately smash thin using a spatula. Season with salt and pepper. Cook for 1–2 minutes until the edges are crispy.
Add cheese and finish cooking
Flip the patties, add American cheese, and cook another 30–60 seconds until melted.
Stack the double cheeseburgers
Stack two patties together to form each double cheeseburger.
Toast the buns
Butter the cut sides of the buns and toast on the griddle until golden.
Assemble the burgers
Spread sauce on the bottom bun. Add pickles, shredded lettuce, and tomato slices. Place the double patties on top, followed by extra caramelized onions.
Finish and serve
Add more sauce if you want, then top with the bun and serve immediately.
Storage
Best eaten fresh. Patties can be pre-formed and refrigerated up to 24 hours ahead.
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