Smash burgers are thin American-style beef patties cooked against a very hot surface, creating crisp, browned edges while the centers stay juicy. A heavy skillet gives you that signature crust indoors, and simple toppings let the beef take center stage—no grill required.
Ingredients
- 1 lb (454 g) ground beef, preferably 80/20
- 1 tsp (6 g) kosher salt
- ½ tsp (1 g) freshly ground black pepper
- 1 tsp (5 ml) neutral high-heat oil, such as canola or avocado oil
- 4 soft burger buns (about 240 g total)
- 2 tbsp (28 g) unsalted butter, softened
- 4 slices American cheese or cheddar (about 80 g)
- ¼ cup (60 g) mayonnaise
- 1 tbsp (15 ml) ketchup
- 1 tbsp (15 ml) yellow mustard
- 4 lettuce leaves (about 30 g)
- 1 medium tomato, sliced (about 150 g)
- ½ cup (75 g) dill pickle slices
- ½ cup (75 g) thinly sliced onion
Instructions
- Set up the toppings and sauce. Stir the mayonnaise, ketchup, and mustard together in a small bowl. Slice the tomato and onion, separate the lettuce leaves, and arrange the pickles nearby. Split the buns and spread the cut sides with butter. Keeping everything ready before the beef hits the pan helps you serve the burgers hot, since the patties cook quickly.
- Portion the beef gently. Divide the ground beef into four equal portions, about 4 oz (113 g) each. Roll each portion loosely into a ball without kneading or compressing it. Keep the balls chilled while the pan heats, and do not mix the salt and pepper into the meat; seasoning the outside preserves a tender texture and helps the patties brown.
- Heat the skillet. Set a large, heavy cast-iron or stainless-steel skillet over medium-high to high heat for about 3–5 minutes, until very hot. Add the measured oil and swirl to coat the bottom. If your skillet is too small to leave space between two patties, cook one at a time rather than crowding it. Avoid a coated nonstick pan for this technique: prolonged high heat and forceful pressing are not a good fit for many nonstick surfaces.
- Smash the first batch. Place two beef balls in the hot skillet with several inches between them. Put a small square of baking parchment over one ball and press firmly with a sturdy, flat spatula or burger press until the patty is about ¼ inch (6 mm) thick. Repeat with the second ball. Remove the parchment, then season the tops with some of the salt and pepper. Press only once; repeated flattening squeezes out juices and makes the patties less tender.
- Brown, flip, and melt the cheese. Cook the patties undisturbed for about 2 minutes, until the undersides are deeply browned and the edges look crisp. Slide a thin, sturdy spatula fully underneath each patty, scraping up the browned crust as you turn it. Add a slice of cheese to each patty and cook for another 1–2 minutes. Because smash patties are thin, use a fast, thin-tip thermometer inserted sideways into the center to check doneness. Ground beef should reach the USDA FSIS safe minimum internal temperature of 160°F (71°C). If a patty has not reached that temperature, continue cooking and check again.
- Toast the buns and finish the first burgers. Transfer the cooked patties to a clean plate. If the pan has excess grease, carefully pour it into a heat-safe container; leave a light film for flavor. Toast the buttered buns cut-side down in the skillet for about 30–60 seconds, watching closely so they do not burn. Spread the prepared sauce over the bun halves, then add lettuce, tomato, a cheesy patty, pickles, and onion.
- Cook the remaining patties. Repeat with the last two beef balls, seasoning them with the remaining salt and pepper and checking each patty for 160°F (71°C). If the skillet has cooled, let it heat again before adding the meat. Build the remaining burgers and serve promptly while the patties are hot and the bun edges are crisp.
Tips
- Choose beef with some fat. An 80/20 blend has enough fat to brown well and keep the thin patties moist. Leaner ground beef can work, but it tends to dry out more quickly; avoid compensating by pressing the patties repeatedly.
- Use the right tool and a single press. A sturdy metal spatula or burger press makes it easier to create a thin, even patty. Parchment between the beef and the press helps prevent sticking. If you only have a flexible spatula, press down with a second utensil or a small, flat-bottomed saucepan, taking care around the hot pan.
- Manage smoke and heat. A hot pan is essential for browning, but the oil should not be smoking heavily before the beef goes in. Turn on the range hood, open a window if needed, and lower the heat slightly if the fat is smoking or the crust is blackening before the patty is cooked through.
- Make simple swaps thoughtfully. Cheddar, pepper jack, or Swiss can replace American cheese; they may melt less smoothly, so cover the pan briefly after adding them. If you do not have kosher salt, use about ¾ tsp (4 g) fine salt instead, since crystals vary in size. Brioche buns work in place of standard soft buns but brown faster because they are often sweeter.
Serving Suggestions
Serve each burger as soon as it is assembled, with the sauce on the bun and the crisp patty in the middle. If you prefer a less slippery stack, put lettuce directly under the patty to create a barrier between the bun and juicy tomato. Offer extra pickles, sliced onion, mustard, and ketchup at the table so everyone can adjust the toppings without covering up the browned beef flavor.
For a classic diner-style plate, add oven fries, potato wedges, or a simple green salad. Coleslaw, cucumber salad, or sliced raw vegetables make a lighter-tasting contrast to the rich beef and cheese. If serving a group, cook the patties in batches and set out the toppings separately; burgers are best assembled just before eating because a long wait makes the toasted buns soft.
Variations
Double smash burger: Divide the same pound of beef into eight 2 oz (57 g) balls and cook two thin patties per burger. The smaller patties brown quickly, so watch the first side closely and check that each patty reaches 160°F (71°C). Use one or two cheese slices according to taste, and keep the total filling modest enough for the bun to hold.
Mushroom and Swiss: Use Swiss cheese instead of American and add thinly sliced mushrooms sautéed in a separate pan. Cook the mushrooms until their released moisture has evaporated so they do not make the bun soggy. This topping is savory and earthy, while the original tomato, pickle, and onion combination is brighter and tangier.
Spicy version: Swap cheddar for pepper jack and add a few jalapeño slices or a small spoonful of hot sauce. Keep the amount of hot topping moderate if you still want to taste the beef and its crisp edges. A little extra mayonnaise in the sauce can soften the sharpness without changing the cooking method.
No dairy: Use a plant-based butter alternative for toasting and omit the cheese or use a dairy-free slice that melts according to its package directions. Ground beef is still the main ingredient in this recipe; for plant-based patties, follow the product’s cooking instructions and safe-temperature guidance rather than assuming the timing will match this method.
Storage and Reheating
For best texture, store cooked patties separately from the buns and fresh toppings. Refrigerate leftovers within 2 hours of cooking in covered, shallow containers; cooked beef patties keep for 3–4 days in the refrigerator. Keep sliced tomato, lettuce, and assembled sauce in separate containers where possible, since moisture can soften buns and patties. Discard food that has been left at room temperature longer than 2 hours, or longer than 1 hour when the temperature is above 90°F (32°C).
Reheat patties in a covered skillet over medium-low heat with a teaspoon of water, turning once, until heated throughout; add cheese near the end if desired. A microwave also works: cover the patty and heat in short intervals to avoid drying it out. Leftovers should reach 165°F (74°C) when reheated, as measured with a food thermometer. Toast a fresh bun separately and assemble with fresh toppings after reheating. Freezing is possible for cooked patties in an airtight freezer-safe container for about 2–3 months for best quality; thaw overnight in the refrigerator before reheating to 165°F (74°C).
Frequently Asked Questions
Can I make smash burgers in a regular frying pan?
Yes. A heavy stainless-steel or cast-iron frying pan works well as long as it can get hot and has enough room for the patties. A thin pan may heat unevenly, so cook in smaller batches and adjust the burner if one area browns much faster than another.
Do I need a burger press?
No. A sturdy, flat spatula is enough for pressing, and a small square of baking parchment helps keep the beef from sticking. A press can make the job easier, but the important part is making firm contact with the pan during the first press and then leaving the patty alone as it browns.
Why is my smash burger sticking to the pan?
The patty may need more time to form a browned crust before it releases, or the pan may not have been hot enough when the beef went in. Avoid trying to turn it early. When it is ready, slide a thin spatula underneath and scrape firmly so the browned crust comes up with the patty.
Can I season the beef before shaping it?
It is better to season the outside just before cooking. Mixing salt throughout ground beef can make it firmer and more sausage-like, especially if the meat is handled a lot. Keep the portions loose, place them in the hot pan, smash once, and season the exposed side.
How can I check a thin patty with a thermometer?
Use a thin-tip instant-read thermometer and insert it horizontally from the side so the sensing area sits in the center of the patty. Check each patty rather than assuming all four cooked at the same rate. If the probe cannot sit in the center, cook a little longer and use the most reliable reading your thermometer allows.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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