Make the Best Onion-Wrapped Burger at Home (Print version)

A juicy onion-wrapped burger with thick grilled onion buns, smashed beef patties, melted cheese, and a quick pickle sauce.

# Ingredients:

For the onion buns

01 - 1 very large yellow onion, cut into 4 center rounds about 1/2 inch thick
02 - 1 tablespoon neutral oil or avocado oil
03 - 1/4 teaspoon kosher salt

For the burger sauce

04 - 1/4 cup (60 g) mayonnaise
05 - 1 tablespoon ketchup
06 - 1 teaspoon yellow mustard
07 - 1 tablespoon finely chopped dill pickles
08 - 1 teaspoon pickle juice
09 - 1/4 teaspoon garlic powder

For the beef stack

10 - 12 oz (340 g) 80/20 ground beef
11 - 1/2 teaspoon kosher salt
12 - 1/2 teaspoon black pepper
13 - 2 teaspoons yellow mustard, for brushing patties
14 - 4 slices American cheese
15 - 1 teaspoon neutral oil, if needed for the skillet

# Instructions:

01 - Cut four thick center rounds from the onion, keeping the rings nested together. Brush both sides with oil and sprinkle lightly with salt.
02 - Heat a large skillet over medium-low heat. Cook the onion rounds for 8-10 minutes on the first side, then flip and cook 5-7 minutes more until golden, soft, and flexible. Move to a plate.
03 - Stir together the mayonnaise, ketchup, mustard, chopped pickles, pickle juice, and garlic powder. Refrigerate while you cook the beef.
04 - Divide the beef into 4 loose balls. Do not pack them tightly. Season the tops with salt and pepper.
05 - Heat a cast iron skillet over medium-high heat until very hot. Add a little oil if the pan is dry. Place the beef balls in the skillet and smash firmly into thin patties. Cook for 2 minutes until the edges brown.
06 - Spread a thin layer of mustard on the uncooked side of each patty. Flip, add cheese to each patty, and cook 45-60 seconds more. Stack two patties together for each burger.
07 - Spread sauce on two onion rounds. Add one hot double patty stack to each, spoon on a little more sauce, and top with the remaining onion rounds. Serve immediately.

# Good to know:

01 - Best served hot as soon as the burgers are stacked.
02 - Use the widest onion rounds for the neatest wrap.
03 - Nutrition is an estimate per onion-wrapped burger.

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