The Perfect Smash Burger: Crispy, Juicy, and Irresistible
Updated: 2 days ago
A great smash burger is a glorious contradiction. Thin enough to develop those wonderfully crisp, deeply browned edges, yet juicy enough to make you reach for another napkin.
The secret is a fiercely hot cooking surface, good quality beef with enough fat to develop flavour, and one confident smash. Add melted American cheese, a toasted potato bun, and your favourite burger sauce, and you've got something rather special.
This is my idea of burger heaven.
TIME 20 minutes | SERVES 2 | LEVEL Easy |
BEFORE YOU START This recipe uses one skill from my Kitchen School. New to it? The lesson takes about five minutes to read. |
Why You'll Love It
CRISP, LACY EDGES Smashing the beef onto a hot pan creates dark, crackling edges full of flavour. | READY IN 20 MINUTES From hot pan to finished burger in about twenty minutes, start to finish. |
TANGY MAGIC SAUCE Shallot, pickles, and smoked paprika give the sauce a sharp, bright lift. | MAKE THE SAUCE AHEAD The sauce keeps three days in the fridge and tastes better as it sits. |
Tested in my kitchen · As seen on TODAY and The Tonight Show · Parade magazine's chef for 10 years · About Chef Jon → |
Smash Burgers with Magic Sauce
Serves 2
Ingredients
Sauce
2 tablespoons mayonnaise
1 teaspoon smoked paprika
1 tablespoon minced shallot
1½ teaspoons finely chopped dill pickles
½ teaspoon pickle brine
1½ teaspoons ketchup
⅛ teaspoon sugar
⅛ teaspoon freshly ground black pepper
Burgers
2 hamburger buns, lightly toasted if you wish
8 ounces ground beef, 80 percent lean
¼ teaspoon vegetable oil
¼ teaspoon kosher salt, divided
Freshly ground black pepper
2 slices American cheese, about 2 ounces
Bibb lettuce leaves
Thinly sliced tomato
Directions
STEP 1 OF 7
Make the sauce
Stir the mayonnaise, paprika, shallot, chopped pickles, pickle brine, ketchup, sugar, and pepper together in a small bowl. Taste and adjust. It should be gently sharp, lightly sweet, and well-balanced.
Chef Jon's tip: make the sauce ahead if you like. It keeps in the fridge for up to 3 days, and the flavours improve as it sits. |
STEP 2 OF 7
Sauce the buns and portion the beef
Spread 1 tablespoon of the sauce onto the cut side of each bun top. Set aside.
Divide the beef into 4 equal portions, about 2 ounces each. Bring them together loosely into rough balls, without pressing too firmly.
STEP 3 OF 7
Heat the pan
Place the oil in a 12-inch cast-iron or carbon-steel pan. Using a piece of paper towel, rub it lightly across the surface, leaving only a thin film. Keep the paper towel.
Set the pan over medium-low heat and allow it to warm for about 5 minutes.
While the pan heats, wrap the base of a small saucepan with foil. This will be used to press the burgers. Keep a plate nearby.
STEP 4 OF 7
Smash the burgers
Increase the heat to high. When the pan begins to smoke lightly, place two portions of beef into the pan, leaving space between them.
Using the foil-wrapped saucepan, press each portion firmly until it spreads to about 4 to 4½ inches across. Hold briefly, then lift away.
Season with half the salt and a little black pepper.
You'll know it's right when each patty has spread thin to about 4 inches across, with ragged edges already sizzling. |
If something's off: if you feel the urge to press again, leave it. A second smash pushes out the juices and leaves the patty dry and dense. |
STEP 5 OF 7
Cook and flip
Leave the burgers undisturbed for about 2 minutes, until most of the surface has lost its pinkness and the edges have darkened.
Slide a thin spatula underneath, scraping firmly, and turn them over.
Cook for about 15 seconds more.
You'll know it's right when the edges are dark and lacy and most of the top has lost its pink. |
If something's off: if the crust clings to the pan, scrape firmly with the edge of a thin spatula. You are lifting the crust, not only turning the burger. |
STEP 6 OF 7
Start building
Remove the pan from the heat. Place one patty on each bun bottom, then top with a slice of cheese.
Return the pan to the heat, wiping it lightly if needed.
STEP 7 OF 7
Repeat and finish
Repeat with the remaining beef.
Place the second patties on top of the cheese so it softens and melts between them.
Add lettuce and tomato, then crown with the prepared bun tops.
Serve at once.
You'll know it's right when the cheese has softened and melted between the two patties. |
Serves 2, though it is not unreasonable to make more.
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Key Ingredients
80 Percent Lean Ground Beef: It has just enough fat to encourage deep browning and keep the thin patties from drying out.
Mayonnaise: The creamy base of the magic sauce, it carries the shallot, pickle and paprika flavours.
Shallot: Finely minced, it gives the sauce a sharp, bright lift that cuts through the richness of the beef.
Dill Pickles and Pickle Brine: Chopped pickles and a splash of brine add tang and a little crunch to the sauce.
Smoked Paprika: It brings a gentle smokiness and a warm colour to the sauce.
American Cheese: Tucked between the two patties, it softens and melts into a creamy, savoury layer.
Kosher Salt: Scattered over the patties only once they are in the pan, it seasons the beef while keeping the texture light.
Hamburger Buns: Soft and yielding, lightly toasted if you like, they hold everything together without stealing attention.
Common Mistakes to Avoid
Packing the beef too tightly: form loose, rough balls that barely hold together so they spread easily and create those lacy edges.
Seasoning or mixing the beef ahead: leave it as it is and salt the surface only once it is in the pan.
Adding the beef to a pan that is not hot enough: warm the pan gently first, then turn the heat to high and wait until it smokes lightly.
Smashing more than once: press firmly once, early on, as a second smash pushes out the juices and leaves the patty dry and dense.
Fussing with the burgers: leave them undisturbed until the edges darken and most of the top has lost its pink before you flip.
Leaving the crust in the pan: scrape firmly underneath with a thin spatula, as you are lifting the crust, not just turning the burger.
Tips for Success
Wrap the base of a small saucepan in foil before you start, so you have a flat, sturdy press ready the moment the beef hits the pan.
Cook only two portions at a time, leaving space between them, so the pan stays hot and every patty gets a proper crust.
Add the cheese straight onto the first patty and let the second one melt it from above.
Have the buns sauced and the lettuce and tomato ready before you start cooking, as the burgers come together in minutes.
How to Store
Make ahead: The magic sauce keeps in the fridge for up to 3 days, and the flavours improve as it sits, so stir it once before using.
Fridge: Smash burgers are best eaten straight from the pan, but leftover patties keep covered in the fridge for up to three days and can be warmed briefly in a hot pan.
What makes a smash burger different
At first glance, it seems counterintuitive. We are often told to handle meat gently, to preserve its tenderness. Yet here, we do the opposite. We press it flat against hot metal, encouraging it to spread, to make full contact.
This is where the magic lies.
A traditional burger is thick, its pleasure found in juiciness and heft. A smash burger is thin; its pleasure is found in contrast. Crisp against soft. Dark against pale. The deep savour of caramelised beef against the bun's mild sweetness.
The act of smashing is not about force for its own sake. It is about creating a surface. The more surface that touches the pan, the more opportunity for browning, and it is in that browning that flavour gathers.
You smash once, and only once. Early, while the meat is still soft. Press again later, and you lose something. The juices escape, the texture tightens. The moment passes.
So you press, and then you leave it be.
On beef, and keeping it simple
The beef should have a little generosity to it. Too lean and it will feel dry, almost austere. Too rich and it becomes heavy. An 80 percent lean blend strikes a comfortable balance, offering enough fat to encourage browning and flavour.
Do not season it ahead of time. Do not mix anything into it. Let it remain as it is.
Salt comes later, scattered over the surface once the meat is in the pan. This keeps the texture light, almost delicate, rather than dense.
Form the beef into loose portions. Rough balls that barely hold together. They should feel soft, uncertain even. This looseness allows them to spread easily when pressed, creating those irregular edges that crisp so beautifully.
Heat, and the importance of waiting
A cast-iron or carbon-steel pan works best. Something that holds heat well, that does not falter when the meat is added.
There is a quiet discipline in allowing the pan to heat properly. Set it over a moderate flame at first, letting the warmth build slowly, then increase the heat until it begins to smoke lightly.
It is tempting to rush this step. To place the meat in too soon. But patience here is rewarded.
When the pan is ready, the meat will seize, then release. It will form a crust rather than simply cook.
The smash
Place the beef into the pan and give it a second or two. Just enough for it to settle.
Then press.
Firmly, evenly, without hesitation. The meat spreads thin, reaching outward. You hold it there briefly, then lift away.
This is the defining moment. Everything that follows depends on it.
Season the surface with salt and a little pepper, then step back.
Leaving it alone
This is perhaps the hardest part.
The instinct is to check, to lift, to fuss. But the burger needs stillness. It needs time to form that deep, savoury crust.
After a minute or two, you will see the change. The edges darken, the top loses its raw sheen.
Only then do you move.
The flip, and the reward
Slide a thin spatula beneath the burger and scrape firmly. You are not just turning it, you are lifting the crust that has formed.
Turn it over in one confident motion.
Add the cheese immediately. It will soften and melt in the residual heat.
The second side cooks quickly. A matter of seconds rather than minutes.
Building the burger
The bun should be soft, lightly toasted if you wish. A little butter in the pan gives it a gentle crispness, a quiet richness.
The sauce goes on the top bun. The burger onto the bottom. Perhaps a second patty, if you are feeling generous.
Lettuce for freshness. Tomato for sweetness and moisture.
Then the top bun was pressed lightly into place.
Watch How to Make a Smash Burger
Frequently Asked Questions
What is the secret to a perfect smash burger?
The secret is using beef with about 20% fat, a very hot cast iron skillet or griddle, and firmly pressing the beef into the cooking surface immediately after adding it. This creates maximum contact and encourages a deeply browned crust.
What is the best beef for smash burgers?
An 80/20 blend of ground beef, containing 80% lean meat and 20% fat, is ideal. The fat contributes flavour, juiciness, and excellent browning.
Should you smash a burger before or after cooking?
Smash the beef immediately after placing it onto the hot cooking surface, ideally within the first 30 seconds. Avoid pressing it again once a crust has developed.
How long should you cook a smash burger?
Thin smash burger patties typically cook in about 2 to 4 minutes total, depending on their thickness and the temperature of the cooking surface. Ground beef should reach a safe internal temperature of 160°F (71°C).
What cheese is best for smash burgers?
American cheese is a classic choice because it melts smoothly and coats the beef beautifully. Cheddar is another excellent option.
What is the difference between a smash burger and a regular burger?
A smash burger is made by pressing a ball of ground beef firmly against a hot cooking surface to create a thin patty with a deeply browned crust. Traditional burgers are generally formed into thicker patties before cooking.
Recommended Equipment
A heavy pan that holds its heat is the secret to a proper crust. I use a 12-inch Cast Iron Skillet. Also useful: Saucepan.
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