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Prepare the lettuce: Shred the iceberg lettuce finely with a knife. Place the shredded lettuce into a metal bowl, wash under running water, and drain well.

Prepare the tomato: Slice the heirloom tomato into thick rounds. Season the sliced tomato with salt and place in a metal bowl.

Prepare the onions: Slice the red onion into rings and place in a metal bowl. Peel the white onion and slice it super thinly. Set aside on a cutting board.

Prepare the pickles: Finely chop the pickles and place them into a clear glass bowl.

Make the burger sauce: To the chopped pickles, add mayonnaise, ketchup, mustard, Fermentaflists Habanero Hot Sauce, Yuzu Koshu, Worcestershire sauce, grated Parmesan cheese, and pickle brine. Mix all ingredients thoroughly with a spoon until well combined.

Dress the lettuce: Add a few spoonfuls of the prepared burger sauce to the shredded lettuce. Mix thoroughly until the lettuce is coated.

Prepare the beef patties: Divide the ground beef into 4 equal-sized balls, pressing and rolling to remove air from the meat.

Cook the patties (Oklahoma Smash Burger Style): Heat a cast iron pan over high heat until ripping hot. Add cooking oil to the hot pan. Place two beef balls into the pan. Season the top of the beef balls with salt. Quickly flip the beef balls. Immediately place a generous amount of the thinly sliced white onion on top of each flipped patty. Use a burger press or flat spatula to smash each patty down firmly into the pan, pressing the onions into the meat. Let cook for 2-3 minutes until a nice crust forms. Repeat with remaining patties.

Toast the buns: While patties are cooking, heat another pan over medium heat. Add butter to the pan. Place the cut sides of the burger buns into the melted butter and toast until golden and hot/steamy. Set aside.

Melt the cheese: Flip the cooked patties (which now have caramelized onions on top). Place a slice of American cheese on top of each patty. Cover the pan with a lid or metal bowl to steam and melt the cheese for about 1 minute.

Assemble the burger: On the bottom half of a toasted bun, spread a layer of burger sauce. Add a generous amount of the sauce-dressed shredded lettuce. Place the seasoned heirloom tomato slices on top of the lettuce, followed by the red onion rings. Carefully transfer a cheeseburger patty onto the red onion layer. Place chopped pickle pieces on top of the cheese. Top with the other toasted bun half. Serve immediately.


Prepare the lettuce: Shred the iceberg lettuce finely with a knife. Place the shredded lettuce into a metal bowl, wash under running water, and drain well.

Prepare the tomato: Slice the heirloom tomato into thick rounds. Season the sliced tomato with salt and place in a metal bowl.

Prepare the onions: Slice the red onion into rings and place in a metal bowl. Peel the white onion and slice it super thinly. Set aside on a cutting board.

Prepare the pickles: Finely chop the pickles and place them into a clear glass bowl.

Make the burger sauce: To the chopped pickles, add mayonnaise, ketchup, mustard, Fermentaflists Habanero Hot Sauce, Yuzu Koshu, Worcestershire sauce, grated Parmesan cheese, and pickle brine. Mix all ingredients thoroughly with a spoon until well combined.

Dress the lettuce: Add a few spoonfuls of the prepared burger sauce to the shredded lettuce. Mix thoroughly until the lettuce is coated.

Prepare the beef patties: Divide the ground beef into 4 equal-sized balls, pressing and rolling to remove air from the meat.

Cook the patties (Oklahoma Smash Burger Style): Heat a cast iron pan over high heat until ripping hot. Add cooking oil to the hot pan. Place two beef balls into the pan. Season the top of the beef balls with salt. Quickly flip the beef balls. Immediately place a generous amount of the thinly sliced white onion on top of each flipped patty. Use a burger press or flat spatula to smash each patty down firmly into the pan, pressing the onions into the meat. Let cook for 2-3 minutes until a nice crust forms. Repeat with remaining patties.

Toast the buns: While patties are cooking, heat another pan over medium heat. Add butter to the pan. Place the cut sides of the burger buns into the melted butter and toast until golden and hot/steamy. Set aside.

Melt the cheese: Flip the cooked patties (which now have caramelized onions on top). Place a slice of American cheese on top of each patty. Cover the pan with a lid or metal bowl to steam and melt the cheese for about 1 minute.

Assemble the burger: On the bottom half of a toasted bun, spread a layer of burger sauce. Add a generous amount of the sauce-dressed shredded lettuce. Place the seasoned heirloom tomato slices on top of the lettuce, followed by the red onion rings. Carefully transfer a cheeseburger patty onto the red onion layer. Place chopped pickle pieces on top of the cheese. Top with the other toasted bun half. Serve immediately.
