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Perfect Smash Burgers

This is the ultimate 'crust-first' burger. By smashing cold 80/20 beef onto a screaming hot cast iron surface, we trigger a massive Maillard reaction that creates those iconic, lacy, caramelized edges while keeping the center incredibly juicy. It's a 15-minute masterclass in high-heat cooking.
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Prep Time 10 minutes
Cook Time 5 minutes
Total Time 15 minutes
Servings: 4 servings
Course: Main Course
Cuisine: American
Calories: 520
Ingredients Equipment Method Notes

Ingredients
  

The Burger
  • 1.5 lbs ground beef 80/20 blend is mandatory. The fat is what fries the edges into lace.
  • 4 potato buns Soft and squishy to handle the juices.
  • 4 slices American cheese For that perfect, nostalgic melt.
  • 1 tbsp kosher salt
  • 1 tsp black pepper Freshly cracked.
Special Sauce
  • 1/2 cup mayonnaise
  • 2 tbsp ketchup
  • 1 tbsp sweet pickle relish
  • 1 tsp white vinegar

Equipment

  • Cast Iron Skillet
  • Heavy Metal Spatula
  • Parchment Paper Squares

Method
 

  1. Divide the cold beef into 4 equal portions (about 6oz each) or 8 portions for doubles. Roll into loose balls. Do not overwork the meat or season the inside.
  2. Heat a cast iron skillet over high heat for 5 minutes until it is smoking slightly. Do not add oil; the beef will provide its own lubricant.
  3. Place two beef balls in the skillet. Place a square of parchment paper over the meat and smash down hard with a heavy spatula until the patty is about 1/4 inch thick. Remove parchment.
  4. Season the top generously with salt and pepper. Let it sear undisturbed for 2 minutes until the edges are dark brown and crispy.
  5. Use a sharp metal spatula to scrape under the crust and flip. Immediately top with a slice of cheese. Cook for 60 more seconds.
  6. Toast your buns in the burger drippings. Build with sauce, lettuce, and the hot patty. Serve immediately.

Notes

The secret is the 'Scrape.' If you don't use a sharp metal spatula to get under that caramelized crust, you'll leave the best part of the burger stuck to the pan. Always use 80/20 beef for that essential 'fry-effect' on the edges.