Cast-Iron Lacy-Edge Smash Burgers
Ultra-crispy caramelized edges, double American cheese, and secret burger sauce in 5 minutes.
- Cook temp
- 450°F
- 232°C · preheat
- Total time
- 10 min
- 5 prep · 5 cook · 1 rest
- Pull at
- 160°F
- USDA safe minimum
- Rest
- 1 min
- Before slicing
Ultra-Smashed Burgers · J. Kenji López-Alt
Shows the two-spatula smash and the 30-second sear that gets the lacy crust.
- Target //Cook at Smoking Hot (450°F+) for 5 mins.
- Doneness //Pull when internal temperature reaches 160°F (USDA safe minimum). Rest 1 mins before slicing.
- Golden Rule //A sharp, stiff metal spatula with no bevel is the secret weapon for scraping up 100% of the lacy crust without tearing the patty.
- Family Tweak //Plain double cheeseburgers with ketchup only on toasted buns.
Ingredients
- 1 lbs80/20 Ground Beef, fresh ground chuck, kept cold
- 8 slicesAmerican Cheese Slices, deli style
- 4 piecesMartin's Potato Buns, buttered & toasted
- 16 slicesDill Pickle Chips
- 1 tbspKosher Salt & Black Pepper, equal parts mix
- 1/2 cupsDad Secret Sauce (Mayo, Ketchup, Relish)
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Get to the point
- 1
Preheat cast iron until smoking. Roll 8 cold 2-oz beef balls from 80/20 chuck.
- 2
Drop balls in dry skillet. Place parchment paper over each and SMASH flat with heavy press.
- 3
Cook 2.5 minutes until edges are lacy and charred. Scrape up hard and flip.
- 4
Top each patty with American cheese, stack into double burgers, and serve on toasted potato buns.
Step by step
Tap a step to cross it offCast Iron Preheating & Beef Prep
Place a 12-inch cast iron skillet on high heat for 5 minutes until lightly smoking. Roll 1 lb of cold 80/20 ground chuck into eight 2-oz loose balls without overpacking.
WhyCold meat hitting screaming hot cast iron creates the signature Maillard reaction crust.
The Bodyweight Smash
Place 2-4 balls into the dry skillet. Place a small square of parchment paper over each ball, then press down firmly using a stiff spatula or cast iron press until paper-thin with jagged edges. Hold for 10 seconds.
WhyThe parchment paper prevents the raw beef from sticking to the spatula while smashing.
Locking the Crust
2 minPeel off parchment. Season aggressively with salt, black pepper, and garlic powder. Cook undisturbed for 2 to 2.5 minutes until deep mahogany crust forms.
WhyDo not touch or move the patties during the sear. Let the crust cement to the iron.
The Hard Scrape & Stack
Slide a sharp metal spatula firmly against the iron to scrape up 100% of the crust. Flip patties, instantly slap American cheese on each, cook for 45 seconds, then stack into doubles.
WhyUse real deli American cheese. Nothing else melts with the same velvety consistency.
- Dad pro tip
- A sharp, stiff metal spatula with no bevel is the secret weapon for scraping up 100% of the lacy crust without tearing the patty.
- Kid & toddler adjustment
- Plain double cheeseburgers with ketchup only on toasted buns.
- Serve with
- Crispy shoestring fries · Dill pickle spears · Root beer floats
- Reheating
- Best eaten fresh! If necessary, reheat patties in cast iron for 60 seconds.
- Calories
- 640
- Protein
- 42 g
- Carbs
- 32 g
- Fat
- 38 g
Nutrition source: USDA FoodData Central #174032. Cook-time basis: Tested on screaming hot 12-inch Lodge cast iron skillet on high flame with 2 oz 80/20 balls.
Frequently Asked Questions
How do you reheat leftover cast-iron lacy-edge smash burgers without ruining the texture?
Best eaten fresh! If necessary, reheat patties in cast iron for 60 seconds.
What is the target internal temperature for this recipe?
Confirm internal core temperature reaches 160°F using an instant-read digital probe thermometer inserted into the thickest part. Allow the meat to rest for 1 minutes before slicing to let carryover heat equalize and lock in juices.
How do I adapt this meal for picky kids or toddlers?
Plain double cheeseburgers with ketchup only on toasted buns.
What are the best side dishes to serve with this?
Recommended sides include Crispy shoestring fries, Dill pickle spears, Root beer floats.