Homemade Smash Burgers (Cast Iron Burgers)

Why You’ll Love This Recipe

I love this recipe because it delivers restaurant-quality burgers in just minutes. I get an ultra-crispy crust thanks to the high heat and smashing technique, and the inside stays tender and flavorful. I also enjoy how customizable these burgers are with toppings, making them perfect for weeknights, cookouts, or anytime I want a seriously satisfying meal.

Ingredients

(Note: All ingredient amounts are listed in the recipe card below.)

1 pound 80% ground beef
vegetable oil, to brush the pan
salt
8 slices American cheese
4 buns, not too big
mayonnaise. LOTS. not optional.
ketchup
mustard
lettuce
tomato
onions
pickles

Homemade Smash Burgers (Cast Iron Burgers) Directions

I start by placing a cast iron skillet or griddle on my grill and turning the heat to high with the lid closed. I let it heat for several minutes until it’s extremely hot. If I’m cooking indoors, I set the skillet over medium-high heat.

I brush the hot skillet with vegetable oil.

I take 1/4 pound of ground beef straight from the package and loosely shape it into a ball only if needed. I make sure not to pack the meat.

I place the ball on the oiled skillet, working in batches if necessary.

I smash the burger firmly with a metal spatula or grill press until it’s about 4 inches across.

I season the patty generously with salt. I sometimes add pepper, but it isn’t essential. I close the grill lid (or leave it uncovered on the stovetop) and let it cook undisturbed for about 2 minutes until the edges are browned.

I flip the burger, season again with salt, and immediately place two slices of American cheese on top. I let it cook for about 1 more minute, just until the cheese droops for a medium-rare finish.

I remove the burger from the skillet and serve it on a soft, warm bun with plenty of mayonnaise and my favorite toppings. Sometimes I stack two patties for an extra indulgent double smash burger.

Servings and Timing

This recipe makes 4 servings.
Prep time: 10 minutes
Cook time: 5 minutes
Total time: 15 minutes

Variations

I sometimes swap American cheese for cheddar, pepper jack, or Swiss for a different flavor. If I want heat, I add jalapeños or a spicy sauce. I also like experimenting with different buns such as brioche or potato rolls. For a more classic diner style, I add finely diced onions directly to the beef before smashing.

Storage/Reheating

If I have leftover patties, I store them in an airtight container in the refrigerator for up to 3 days. To reheat, I warm them in a hot skillet for a minute or two to revive the crispy edges. I avoid microwaving because it softens the exterior and melts away the great texture.

FAQs

How do I keep smash burgers juicy?

I keep them juicy by not overworking the meat and cooking them quickly over high heat.

Can I make smash burgers on the stovetop?

Yes, I make them in a cast iron skillet on medium-high heat and they turn out great.

Do I need a special press to smash the burgers?

No, I often use a sturdy metal spatula, though a grill press makes it easier.

Why shouldn’t I pack the meat?

Packing makes the burger dense; I want it loose so it stays tender.

Can I use leaner beef?

I prefer 80% ground beef because the fat helps create the crispy crust and juicy interior.

Do I need to season the meat before forming balls?

I season only after smashing to avoid overmixing and toughening the meat.

Can I use different cheese?

Yes, I use any melty cheese I enjoy, though American melts best.

What toppings work best?

I love classic toppings like lettuce, tomato, onions, and pickles, but anything goes.

Can I prep the patties ahead of time?

I avoid forming them ahead; the looser the meat, the better the texture.

How do I prevent sticking?

I brush the skillet with oil and make sure it’s extremely hot before adding the meat.

Conclusion

I love how easy and fast these smashed burgers come together, delivering unbeatable crispy edges and a juicy center every time. With simple ingredients and endless topping options, this recipe has become a go-to whenever I’m craving the perfect classic burger.


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Homemade Smash Burgers (Cast Iron Burgers)

Smashed Burger Recipe

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  • Author: Amy
  • Prep Time: 10 minutes
  • Cook Time: 5 minutes
  • Total Time: 15 minutes
  • Yield: 4 servings
  • Category: Main Course
  • Method: Skillet
  • Cuisine: American
  • Diet: Low Lactose

Description

Crispy, juicy smashed burgers made on a hot skillet or griddle, delivering craggy edges, melted cheese, and classic toppings in minutes.


Ingredients

1 lb 80% ground beef

Vegetable oil, to brush skillet

Salt

8 slices American cheese

4 burger buns

Mayonnaise

Ketchup

Mustard

Lettuce

Tomato, sliced

Onions, sliced

Pickles


Instructions

  1. Heat a cast iron skillet or griddle over high heat (or medium-high on the stovetop) until extremely hot.
  2. Brush the hot surface lightly with vegetable oil.
  3. Divide the ground beef into four 1/4-lb portions, loosely shaping into balls if needed.
  4. Place a beef ball onto the skillet.
  5. Firmly smash the burger with a metal spatula or grill press until about 4 inches wide.
  6. Season generously with salt and cook undisturbed for about 2 minutes until the edges are brown and crispy.
  7. Flip the patty, season again, and immediately top with 2 slices of American cheese.
  8. Cook for 1 more minute, just until the cheese melts.
  9. Remove and place on a warm bun with mayonnaise and desired toppings.
  10. Repeat with remaining patties. Stack two patties if desired.

Notes

Use 80% beef for best crust and juiciness.

Do not pack the meat—loose texture creates a tender burger.

Any melty cheese works, but American gives the best melt.

Make sure the skillet is very hot to prevent sticking.


Nutrition

  • Serving Size: 1 burger
  • Calories: 520
  • Sugar: 5g
  • Sodium: 820mg
  • Fat: 34g
  • Saturated Fat: 14g
  • Unsaturated Fat: 16g
  • Trans Fat: 1g
  • Carbohydrates: 27g
  • Fiber: 1g
  • Protein: 31g
  • Cholesterol: 105mg
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