Smash Burger

Featured in main-dishes.

Look at this incredible smash burger! The way that cheese is melting down the sides and those perfectly caramelized onions are glistening - this is what burger dreams are made of. You can practically hear the sizzle of that beef hitting the hot pan, creating those amazing crispy edges that give smash burgers their signature texture. The golden sesame seed bun is toasted to perfection, and that special sauce is just waiting to bring all these flavors together. This isn't just any burger - it's a masterpiece that you can create right in your own kitchen. The best part? It takes less time than ordering takeout, and the results are absolutely mind-blowing. Get ready to make the most satisfying burger of your life!

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Updated on Wed, 23 Jul 2025 17:31:52 GMT
Mouth-watering smash burger with melted cheese, caramelized onions, and special sauce on sesame seed bun pin it
Mouth-watering smash burger with melted cheese, caramelized onions, and special sauce on sesame seed bun | lonerecipes.com

I fell in love with smash burgers the moment I took my first bite at a local diner. The contrast between the crispy, caramelized exterior and the juicy interior was unlike anything I'd experienced with regular burgers. When I started making them at home, I realized the secret wasn't in fancy ingredients - it was all about technique. You take loosely formed balls of ground beef and literally smash them flat on a screaming hot surface. The high heat creates this incredible crust while sealing in all the juices. I love how the cheese melts perfectly over those crispy edges, and the caramelized onions add this sweet, savory depth. The special sauce brings everything together with its creamy, tangy flavor. Every element works in harmony to create what I consider the perfect burger experience.

Why I love this recipe

What I absolutely adore about this smash burger recipe is how it transforms simple ingredients into something extraordinary. There's something magical about the contrast of textures - those crispy, lacy edges against the tender, juicy center. I love that it's actually faster to make than traditional thick burgers because the thin patties cook so quickly. The technique is almost therapeutic; there's satisfaction in that satisfying sizzle when the beef hits the pan. The caramelized onions add this incredible sweetness that balances the savory beef perfectly. But what really makes me passionate about this recipe is how it brings people together. Every time I make these, everyone gathers around the kitchen, drawn by the amazing aromas. It's comfort food at its finest - unpretentious, satisfying, and guaranteed to make everyone happy. This recipe has become my go-to for impressing guests or treating my family to something special.

What You Need From Your Kitchen

  • Ground Beef: Use 80/20 blend and form into loose balls before smashing
  • Sesame Seed Buns: Toast cut-side down until golden for better texture
  • American Cheese: Add immediately after flipping for perfect melting
  • Onions: Slice thinly and caramelize slowly until golden brown
  • Special Sauce: Combine mayonnaise, ketchup, and pickle relish for classic flavor
  • Vegetable Oil: Use for high-heat cooking to achieve crispy edges

Let's Make These Together

Create the special sauce
Start by whisking together mayonnaise, ketchup, and pickle relish in a small bowl. This tangy, creamy sauce is what makes these burgers truly special. Season with a pinch of salt and pepper, then set aside while you prepare the other components.
Caramelize the onions perfectly
Heat oil in your skillet over medium heat and add the thinly sliced onions. Cook them slowly, stirring occasionally, for 15-20 minutes until they turn a beautiful golden brown. The key is patience - properly caramelized onions develop incredible sweetness that perfectly complements the savory beef.
Form loose beef balls
Divide your ground beef into four equal portions and gently form them into balls. The secret here is not to pack them tightly - they should barely hold together. This loose formation allows for better smashing and creates those signature lacy, crispy edges.
Master the smash technique
Heat your pan until it's smoking hot, then place the beef balls in the pan and immediately smash them flat with a heavy spatula. Press down firmly to create thin patties with maximum surface contact. Don't move them for 2-3 minutes to develop that perfect crust.
Recipe picture pin it
Ultimate comfort food smash burger with layers of melted cheese and savory toppings | lonerecipes.com

Switch Things Up

I discovered smash burgers during a late-night craving when I had nothing but ground beef and basic pantry staples. Instead of forming thick patties like usual, I decided to smash the meat flat on the hot pan - and wow, what a game changer! The crispy, caramelized edges that formed were incredible. Now I make these every Friday night, and my family actually cheers when they see me pulling out the spatula. The sound of that beef hitting the hot pan has become our dinner bell. Sometimes I'll add different cheeses or switch up the sauce, but the technique remains the same. It's amazing how something so simple can taste so extraordinary.

Perfect Pairings

These smash burgers pair beautifully with crispy sweet potato fries or classic beer-battered onion rings. For a lighter option, serve alongside a fresh coleslaw or pickled cucumber salad. The rich, savory flavors also complement craft beer perfectly - try a hoppy IPA or smooth amber ale. For dessert, keep it classic with vanilla milkshakes or chocolate chip cookies.

Perfectly cooked smash burger with crispy edges, gooey cheese, and golden caramelized onions pin it
Perfectly cooked smash burger with crispy edges, gooey cheese, and golden caramelized onions | lonerecipes.com

Frequently Asked Questions

→ Why do I need to smash the burgers?

Smashing creates maximum surface contact with the hot pan, developing crispy, caramelized edges while keeping the interior juicy. This technique is what gives smash burgers their signature texture and flavor.

→ What's the best fat content for ground beef?

Use 80/20 ground beef (80% lean, 20% fat) for the perfect balance of flavor and juiciness. Leaner beef will result in drier burgers, while fattier beef can become greasy.

→ Can I make these burgers ahead of time?

Smash burgers are best served immediately after cooking. However, you can prepare the special sauce and caramelize the onions up to a day ahead and store them in the refrigerator.

→ How do I prevent the buns from getting soggy?

Always toast the buns cut-side down until golden brown. This creates a barrier that prevents the juices from soaking into the bread. You can also lightly butter the buns before toasting.

→ What temperature should the pan be?

The pan should be smoking hot - this high heat is crucial for creating the crispy edges. If the pan isn't hot enough, the beef will steam instead of sear, and you won't get that signature crust.

→ Can I use different types of cheese?

While American cheese is traditional and melts perfectly, you can use cheddar, Swiss, or any good melting cheese. Add the cheese immediately after flipping the patties for best results.

Conclusion

This smash burger recipe delivers restaurant-quality results with minimal effort. The key is using high heat to create those signature crispy edges while keeping the interior juicy. The combination of caramelized onions, melted cheese, and special sauce creates layers of flavor that make every bite unforgettable. Perfect for weekend cookouts or weeknight dinners when you want something special.

Smash Burger

Juicy smash burgers with crispy caramelized edges, melted cheese, caramelized onions, and creamy special sauce on toasted sesame buns.

Prep Time
15 Minutes
Cook Time
10 Minutes
Total Time
25 Minutes
By: chris

Category: main-dishes

Difficulty: easy

Cuisine: American

Yield: 4 Servings (4 balls)

Dietary: Meat, Dairy

Ingredients

011 lb ground beef (80/20 blend)
024 sesame seed burger buns
034 slices American cheese
042 large onions, thinly sliced
051/4 cup mayonnaise
062 tbsp ketchup
071 tbsp pickle relish
08Salt and pepper to taste
092 tbsp vegetable oil

Instructions

Step 01

Mix mayonnaise, ketchup, and pickle relish in a small bowl to create the special sauce. Season with a pinch of salt and pepper. Set aside.

Step 02

Heat 1 tablespoon oil in a large skillet over medium heat. Add sliced onions and cook for 15-20 minutes, stirring occasionally, until golden brown and caramelized. Remove and set aside.

Step 03

Divide ground beef into 4 equal portions and loosely form into balls. Don't pack tightly - they should barely hold together. Season each ball with salt and pepper.

Step 04

Heat remaining oil in the same skillet over high heat until smoking. This high heat is crucial for creating the crispy edges that make smash burgers special.

Step 05

Place beef balls in hot pan and immediately smash flat using a heavy spatula or burger press. Press firmly to create thin patties with crispy edges. Cook for 2-3 minutes without moving.

Step 06

Flip patties and immediately top each with a slice of cheese. Add caramelized onions on top of cheese. Cook for another 1-2 minutes until cheese melts.

Step 07

While patties finish cooking, toast burger buns cut-side down in a dry pan or toaster until golden brown. This adds texture and prevents soggy buns.

Step 08

Spread special sauce on both bun halves. Place patty with melted cheese and onions on bottom bun, then top with upper bun. Serve immediately while hot.

Notes

  1. Use 80/20 ground beef for the best balance of flavor and juiciness
  2. Don't press down on patties after the initial smash - this will squeeze out juices
  3. High heat is essential for creating the signature crispy edges
  4. Toast the buns to prevent them from getting soggy from the juices
  5. Let caramelized onions cool slightly before adding to prevent cheese from melting too quickly

Tools You'll Need

  • Large cast iron skillet or heavy-bottomed pan
  • Heavy spatula or burger press
  • Small mixing bowl
  • Sharp knife
  • Cutting board

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Dairy (cheese, mayonnaise)
  • Gluten (burger buns)
  • Eggs (mayonnaise)

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: 38 g
  • Protein: 35 g

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