01 -
In a medium bowl, whisk together mayonnaise and ketchup until blended. Add dill pickle juice, Worcestershire sauce, paprika, and cayenne pepper. Whisk thoroughly to combine. Cover and refrigerate while preparing the burgers.
02 -
Divide ground beef into six equal portions and gently shape into 2.5-cm-thick patties. Place patties on a platter and generously season both sides with kosher salt and freshly ground black pepper.
03 -
Heat 14 g (1 tbsp) salted butter in a large cast iron skillet over medium-high heat. Add three patties and cook for 4–6 minutes per side, or to desired doneness. Top each with a slice of cheddar cheese during the final minute to allow melting and transfer to a warm oven (90°C) if holding.
04 -
Add remaining 14 g (1 tbsp) salted butter to the skillet and repeat the process with the remaining three patties and cheddar cheese.
05 -
Lightly toast brioche buns. Place each patty on the bottom half of a bun. Add lettuce, tomato, red onion, dill pickle chips, and a generous spoonful of burger (fry) sauce. Complete with the top half of the bun and serve immediately.