Jalapeno Smash Burgers

Featured in Delicious Main Dish Recipes for Every Occasion.

These thin patties are seared to crunchy perfection, topped with creamy cheese, and layered with sautéed onions and jalapeños. A zesty sauce gives it the finishing touch.

A man wearing a white shirt and suspenders holding a piece of paper.
Updated on Tue, 18 Mar 2025 18:54:23 GMT
Close-up of a mouthwatering burger with a golden patty, gooey cheese, and jalapeños, layered with a tangy sauce and toasted buns. Pin it
Close-up of a mouthwatering burger with a golden patty, gooey cheese, and jalapeños, layered with a tangy sauce and toasted buns. | chefmelt.com

Incredible Spicy Smashed Burgers with Jalapeños and Sweet Onions

I've tested countless burger recipes in my home, and this fiery creation quickly became our household's top pick. When spicy jalapeños and caramelized onions cook beneath a crunchy beef patty, you get an amazing taste explosion with every mouthful. Everyone at my backyard parties always asks me how I make these, and now they've become our go-to weekend meal.

Why These Burgers Stand Out

Everything comes together when those peppers and onions simmer directly underneath the beef, absorbing all the tasty drippings. I adore how the cheese turns wonderfully gooey and the buns get that nice toasted finish. And guess what? You can whip up these restaurant-worthy burgers at home without special tools. My other half likes them extra hot while our little ones prefer them toned down, so I usually make both versions.

Basic Components for Outstanding Taste

  • Ground Beef: Stick with 80/20 meat-to-fat mix for super juicy, tasty burgers.
  • Fresh Jalapeños: Look for vibrant, sturdy green peppers to add heat and texture.
  • Sweet Onions: Go with Vidalia or Maui types since their sweetness cuts through the spiciness.
  • American Cheese: This traditional option melts perfectly into all the crispy bits.
  • Burger Sauce: My unique mix of mayo, ketchup and flavorings makes these unforgettable.
  • Potato Buns: They're fluffy but tough enough to handle all the juicy goodness.
  • Salt and Pepper: Basic seasonings that let the burger's flavor take center stage.

From Prep to Plate Directions

First, throw together my burger sauce, a treasured family blend with creamy mayo, zesty ketchup and a dash of Worcestershire. Let it cool while your cooking surface heats up. I swear by my cast iron pan for the crunchiest exterior. Soften those jalapeños and onions until they turn sweet and golden. Next comes the exciting bit - squashing those beef balls right on top of your veggies. That sizzling sound makes me happy every time! When the edges turn crispy, flip them and watch that cheese melt everywhere.

My Proven Techniques

After so many burger nights, I've figured out that you really need a heavy metal spatula for properly flattening the meat. Don't rush the process - those edges should get nice and crispy before you even think about turning them. Got folks who can't handle much heat? Here's what I do: take out the jalapeño seeds for a milder kick. And don't forget to toast your buns so they can handle all that juiciness.

A delicious cheeseburger stacked with two beef patties, jalapeños, grilled onions, and a creamy sauce, served on a toasted bun. Pin it
A delicious cheeseburger stacked with two beef patties, jalapeños, grilled onions, and a creamy sauce, served on a toasted bun. | chefmelt.com

Enjoying Your Creation

At our place, we always eat these burgers with crunchy oven-baked fries or a bright, fresh summer salad. When it's nice outside, we take them to the patio with cold drinks - the perfect way to cool down from that spicy kick. If you somehow end up with extras - which hardly ever happens in my home - store everything separately and warm those patties in a hot pan to bring back their crispy texture.

Tips From My Experience

Throughout the years, I've learned some key burger insights. Combining different types of beef really boosts the flavor. Always handle your meat gently - one good press is all you need. And just like with steaks, letting your burgers sit for a moment helps keep all that tasty juice inside. These small touches are what turn an ordinary burger into something truly special.

Frequently Asked Questions

→ What’s the reason for smashing the burgers?

It gives the patties more surface to brown for that crunchy crust, while keeping the interior rich and juicy.

→ Why stick with American cheese?

It’s classic for burgers because it melts easily and adds the right creamy texture and taste.

→ How can I lower the spiciness?

Cut back on the jalapeños or scrape out the seeds for a milder flavor.

→ What’s the benefit of preheating the pan?

It ensures the burgers get a proper sear and keeps them from sticking to the pan.

→ Is a burger press necessary?

Nope! You can just use a sturdy spatula with a piece of parchment paper to press the patties down.

Jalapeno Smash Burgers

Smash burgers with crunchy edges, melted cheese, sweet onions, spicy jalapeños, and a flavorful secret sauce.

Prep Time
15 Minutes
Cook Time
15 Minutes
Total Time
30 Minutes

Category: Main Dish Recipes

Difficulty: Intermediate

Cuisine: American

Yield: 4 Servings (4)

Dietary: ~

Ingredients

01 4 soft hamburger buns.
02 1 1/2 pounds of minced beef (80% lean).
03 4 slices of cheddar cheese (or French equivalent).
04 2 teaspoons kosher salt.
05 1 teaspoon ground black pepper.
06 A thinly sliced large onion.
07 Thin slices of 1 large fresh chili pepper (like piments d'Espelette).
08 1 teaspoon vegetable oil.
09 3 tablespoons of creamy mayonnaise.
10 1 1/2 tablespoons of tomato sauce.
11 1 teaspoon of Worcestershire sauce.
12 1/4 teaspoon garlic seasoning.
13 A pinch of kosher salt for the sauce.
14 1/2 teaspoon black pepper for extra flavor in the sauce.

Instructions

Step 01

In a small bowl, stir together mayo, tomato sauce, Worcestershire, garlic powder, a little pepper, and salt until smooth and creamy.

Step 02

Take the minced beef and divide it into eight portions weighing about 85 grams each. Lightly roll them into balls without pressing too hard.

Step 03

Get your cast-iron skillet or griddle sizzling hot—450° to 500°F—whether you're using a stovetop or barbecue.

Step 04

Cut some small parchment paper squares (about 7.5 cm) so they’re ready to help press the patties.

Step 05

Add oil to the hot skillet and drop the onions into eight small heaps, about a quarter-cup in size.

Step 06

Scatter thin slices of chili on top of the onion piles. Sprinkle with some kosher salt and pepper for added taste.

Step 07

Let the onion-chili piles cook for 30 to 60 seconds without touching them, so they develop a little brown color.

Step 08

Put one of your beef balls on each onion pile and cover it with one of the parchment paper squares.

Step 09

Press the beef balls firmly with the back of a spatula or burger tool, flattening them into super-thin patties about 10 cm wide.

Step 10

Sprinkle a bit more salt and pepper on top of the freshly smashed patties.

Step 11

Cook the patties for 2 to 3 minutes without moving them. They'll crisp up around the edges and get golden.

Step 12

Gently flip the patties over, making sure the onion-chili topping is now on top.

Step 13

Set cheddar slices on four of the patties and cook another 1.5–2 minutes until golden and bubbly.

Step 14

Stack a plain patty on top of one that has melted cheese, making it a two-layer burger.

Step 15

Spread the sauce on toasted buns, assemble the burgers, and serve them hot right away.

Notes

  1. As good as you’d get at a top restaurant.
  2. Crisp, crunchy outside bits.
  3. A touch of spicy flavor.
  4. Effortless cooking technique.

Tools You'll Need

  • Cast iron skillet or flat griddle.
  • Sturdy spatula.
  • Squares of parchment paper.
  • Small bowl for mixing.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains milk (cheese).
  • Contains eggs (mayonnaise).
  • Contains gluten (hamburger buns).

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 650
  • Total Fat: 42 g
  • Total Carbohydrate: 35 g
  • Protein: 38 g