In And Out Double Burger Recipe

Whole30 InNOut Burgers: Double Double Animal …

WEBJan 18, 2022 · Season patties with plenty of salt and pepper. Heat remaining 1 teaspoon avocado oil in a large cast-iron skillet over …

1. Make the sauce: combine mayonnaise, ketchup, dill relish, coconut aminos, maple syrup (if not on Whole30), and vinegar in a small bowl. Stir to combine and chill while you continue cooking.
2. Heat 2 teaspoons avocado oil in a medium skillet (preferably non-stick) over medium-high heat until oil is shimmering. Add onions and 3/4 teaspoon salt. Reduce heat to medium-low, and cook, stirring occasionally until onions are browned, about 15 minutes. Once onions are browned, they will start to sizzle and look dry. Add 1 tablespoon water to skillet and stir, cooking until water evaporates and onions begin sizzling again. Repeat the process with 1 tablespoon water until onions are dark brown and extremely caramelized, about 3 times, a total of about 30 minutes. Transfer to a bowl and let cool.
3. Make the lettuce “buns”: slice off the stem of the head of iceberg lettuce, about 1/2-3/4”. Cut into fourths: down the center, then slice each half in half to make wedges. Take out the middle 2/3 of each iceberg wedge, so it leaves just a 3/4” thick lettuce “bun”. Set aside.
4. Shape ground beef into four 2-ounce patties that are very thin and very wide, about 1/4" thick and at least 4" wide. Season patties with plenty of salt and pepper. Heat remaining 1 teaspoon avocado oil to a large cast-iron skillet over medium-high heat; swirl the oil around the pan to coat with a thin layer. When the oil is very, very hot, add burger patties. Spread 1 tablespoon mustard on the top, raw side. Cook patties, without moving, until they're very well browned and a bit crusty on the bottom, about 2-3 minutes. Flip patties so the mustard side is down and cook 30 seconds to 1 minute.

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