Picture this: it’s a busy weeknight, and the aroma of sizzling burgers fills the air, instantly lifting your spirits. That’s exactly the kind of comfort my Ultimate Bacon Double Smash Burgers with Baconnaise Sauce delivers! These delightful burgers feature crispy edges, juicy beef, and a heavenly blend of smoky baconnaise and caramelized onions that will have everyone gathered around the table, eager for a taste. With minimal prep time and the ability to customize toppings to your heart’s desire, this recipe transforms the classic burger into something truly gourmet. Whether you’re feeding a hungry family or hosting friends for a game night, these smash burgers are a quick and satisfying solution. Ready to elevate your burger game? Let’s get cooking!

Why Are Smash Burgers So Irresistible?
Crispy Edges make these smash burgers unlike any other. The searing process creates an irresistible crunch that complements juicy beef, ensuring every bite is a delight. Smoky Baconnaise adds a rich layer of flavor that elevates the entire experience. Quick and Easy to prepare, they fit perfectly into your busy weeknight routine. Customizable Toppings mean everyone can personalize their burger, keeping the whole family happy. Serve with fries or a fresh salad for a complete meal that’s sure to impress! If you’re looking for more flavor ideas, check out my Cajun Steak Sauce or explore variations with Zucchini Flatbread Herbs as a side!
Smash Burgers with Baconnaise Sauce Ingredients
For the Burgers
• Ground Chuck – Provides the perfect fat ratio for moist burgers; look for an 80/20 meat-to-fat ratio for best results.
• Kosher Salt – Enhances natural beef flavor; substitute with table salt in a smaller amount if necessary.
• Black Pepper – Use freshly ground for a more vibrant flavor.
• Sweet Onions – Caramelized for added sweetness; yellow onions can also work in a pinch.
• Olive Oil – Used for cooking onions; can swap with butter for richer flavor.
• Brioche Buns – Their soft texture is ideal for burgers; feel free to use whole wheat or gluten-free alternatives if desired.
For the Baconnaise Sauce
• Mayonnaise – Offers creaminess to the sauce; Greek yogurt makes a great lighter substitute.
• Cooked Bacon – Adds smoky depth to the baconnaise; turkey bacon can be used for a healthier option.
• Worcestershire Sauce – Provides a savory kick to the sauce; soy sauce is a good alternative.
• Garlic Powder – Enhances flavor; fresh garlic can be substituted for a more robust taste.
For Assembling
• American Cheese – Melts beautifully with the patties; feel free to explore different cheese varieties based on preference.
• Lettuce & Tomato – Fresh toppings for added crunch and flavor; try adding avocado slices for extra creaminess.
Get ready to indulge in these Smash Burgers with Baconnaise Sauce that promise not only to satisfy your hunger but also to elevate your weeknight dinners!
Step‑by‑Step Instructions for Smash Burgers with Baconnaise Sauce
Step 1: Caramelize Onions
Start by thinly slicing two sweet onions. Heat a tablespoon of olive oil in a large skillet over medium-low heat. Add the onions along with a pinch of kosher salt and freshly ground black pepper. Stir occasionally, allowing them to cook for about 45 minutes until they are soft and golden brown, bringing out their natural sweetness.
Step 2: Prepare Baconnaise
While the onions are caramelizing, mix together the baconnaise sauce. In a medium bowl, combine half a cup of mayonnaise, 4 ounces of cooked and chopped bacon, a tablespoon of Worcestershire sauce, and a teaspoon of garlic powder. Stir until everything is fully blended and creamy, then set this delicious baconnaise sauce aside for later use.
Step 3: Make Patties
Next, divide one and a half pounds of ground chuck into eight equal portions, rolling them into balls. Preheat a griddle or large skillet over medium-high heat until hot, about 5 minutes. Place the balls onto the hot surface and smash each gently using a spatula to form patties about ½ inch thick. Sprinkle with kosher salt and freshly ground black pepper, then cook for about 3-4 minutes until crispy edges form.
Step 4: Assemble Burgers
Carefully flip the smash patties, and immediately top each with a slice of American cheese and a generous spoonful of caramelized onions. Let the patties cook for another 1-2 minutes until the cheese is melted and gooey. Stack the burgers on a warm plate and cover to keep them warm while you prepare the buns.
Step 5: Build the Burger
Now it’s time to assemble your Smash Burgers with Baconnaise Sauce! Spread a generous layer of the baconnaise sauce on each side of toasted brioche buns. Layer on the lettuce, followed by the patty with melted cheese and caramelized onions, and finish with the top bun. Serve immediately for a mouthwatering burger experience that everyone will love!

What to Serve with Irresistible Smash Burgers with Baconnaise Sauce
Each mouthwatering bite deserves a delightful companion, transforming a casual dinner into a memorable experience.
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Crispy French Fries: Freshly fried and perfectly salted, they offer a satisfying crunch that pairs beautifully with the juicy burger. A sprinkle of Parmesan can elevate their flavor!
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Coleslaw: This creamy and tangy side adds freshness and a crisp texture, balancing the rich flavors of the baconnaise sauce. It’s that crunch you never knew you needed.
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Sweet Potato Wedges: Baked to golden perfection, these add a sweet contrast to the savory flavors of the burgers. Sprinkle with cinnamon for a playful twist!
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Classic Potato Salad: Creamy and herbaceous, it’s a nostalgic side that complements the smoky elements of the burger. A dash of mustard can give it a delightful zing!
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Grilled Corn on the Cob: Sweet, buttery goodness with a smoky char works wonderfully alongside the rich flavors of smash burgers. Don’t forget the lime squeeze!
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Pickle Platter: Crunchy dill or tangy bread-and-butter pickles provide a bright, acidic contrast to the richness of the baconnaise. They’re a refreshing bite next to savory burgers.
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Ice-cold Craft Beer: A hoppy IPA or refreshing lager cuts through the richness, enhancing your taste experience. Perfectly pairs with laughter shared over a backyard BBQ!
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Milkshakes: Indulge your sweet tooth with a thick, creamy milkshake for dessert. Flavor variations like chocolate or strawberry can make it an irresistible finale to your meal!
Expert Tips for Smash Burgers with Baconnaise Sauce
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Griddle Temperature: Ensure the griddle is preheated to achieve crispy edges on the patties. A hot surface is key for that perfect smash burger crust.
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Avoid Overcrowding: Don’t cook too many patties at once on the griddle; overcrowding can cause steaming instead of searing, affecting the burger’s texture.
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Rest the Patties: Allow the cooked patties to rest for 1-2 minutes before serving. This helps the juices redistribute, enhancing the juicy flavor of your smash burgers with baconnaise sauce.
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Customize Wisely: Experiment with your toppings! While classic options are great, consider adding avocado or different cheeses to elevate your burger game.
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Proper Storage: Store any leftover patties in an airtight container for up to 2 days. If freezing, uncooked patties can be stored for up to 3 months—perfect for quick meals later!
Make Ahead Options
These Smash Burgers with Baconnaise Sauce are perfect for meal prep, making your busy weeknights a breeze! You can caramelize the onions and prepare the baconnaise sauce up to 3 days in advance. Simply store the onions in an airtight container in the refrigerator to keep their sweetness intact, and chill the baconnaise sauce until ready to use. When it’s time to cook, shape and smash your burger patties up to 24 hours ahead and keep them covered in the fridge. To finish, heat your griddle and cook the patties, adding cheese and onions just before serving for that fresh, delicious taste. This way, you can enjoy gourmet-style smash burgers with minimal effort!
Smash Burgers with Baconnaise Sauce Variations
Unleash your creativity in the kitchen and customize these smash burgers to match your taste buds!
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Greek Yogurt: Swap mayo with Greek yogurt in the baconnaise for a tangy, lighter sauce.
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Turkey Bacon: Use turkey bacon instead of regular bacon for a health-conscious, yet still flavorful twist. It provides the crunch you crave while cutting calories.
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Avocado Bliss: Top your burger with creamy avocado slices for an added layer of richness and a pop of color.
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Cheese Exploration: Experiment with different types of cheese, like pepper jack for a kick or blue cheese for a robust flavor. Each option plays beautifully with the smokiness of the baconnaise.
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Load Up on Veggies: Include grilled mushrooms or roasted red peppers for earthy flavors that pair perfectly with the juicy beef.
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Spicy Kick: Add jalapeños or hot sauce to mix for an exciting heat level that elevates your burgers from ordinary to extraordinary.
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Whole Wheat Buns: Opt for whole wheat buns for a nuttier flavor and to make your meal a bit healthier. The texture adds a unique twist without sacrificing taste.
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Sweet Twist: For a sugary contrast, drizzle a bit of honey over the caramelized onions before adding them to the burger. This will enhance the overall flavor profile, making it delightful!
Don’t forget to check out my Garlic Butter Steak for more delicious inspiration!
Storage Tips for Smash Burgers with Baconnaise Sauce
Fridge: Store cooked smash burgers in an airtight container for up to 2 days. Keep the baconnaise sauce separately to maintain freshness.
Freezer: Uncooked patties can be frozen for up to 3 months. Wrap each patty in plastic wrap and then place them in a freezer bag for best results.
Thawing: When ready to cook, thaw the frozen patties overnight in the fridge. This ensures even cooking and preserves the juicy texture.
Reheating: To reheat, warm the patties in a skillet over medium-low heat for about 3-4 minutes per side, until heated through. Add a slice of cheese if desired for extra creaminess!

Smash Burgers with Baconnaise Sauce Recipe FAQs
How do I choose the best ground chuck for smash burgers?
Absolutely! Look for an 80/20 meat-to-fat ratio, which strikes the perfect balance between moisture and flavor. Fresh ground chuck should be bright red with a little marbling. Avoid meat that has dark spots or is too lean, as it may result in dry burgers.
How should I store leftovers of my smash burgers?
I recommend storing cooked smash burgers in an airtight container in the fridge for up to 2 days. Keep the baconnaise sauce separate to ensure it stays fresh and creamy. If you have leftover toppings, you can also store them in separate containers to preserve their textures.
Can I freeze uncooked smash burger patties?
The more the merrier! You can absolutely freeze uncooked patties for up to 3 months. Make sure to wrap each patty tightly in plastic wrap, and then place them in a freezer bag to prevent freezer burn. When you’re ready to cook, just thaw them overnight in the fridge.
What should I do if my patties are sticking to the griddle?
No panic! If your patties are sticking, it’s likely because the griddle wasn’t hot enough or wasn’t adequately greased. Make sure to preheat your cooking surface for about 5 minutes and use a bit of olive oil or non-stick spray to prevent sticking. It’s crucial for getting those beautiful crispy edges.
Can I make substitutions for dietary restrictions while preparing these burgers?
Absolutely! If you’re looking for a lighter option, you can easily substitute Greek yogurt for mayonnaise in the baconnaise sauce. For those who prefer turkey or a meat-free option, ground turkey or veggie patties work great too. Just be sure to adjust the cooking times accordingly, as they may differ from beef.
How long can I keep the baconnaise sauce in the fridge?
Very! You can store the baconnaise sauce in an airtight container in the fridge for up to 5 days. It’s perfect for making ahead, and its flavors will meld deliciously over time, making each burger experience even better!

Mouthwatering Smash Burgers with Baconnaise Sauce Recipe
Ingredients
Equipment
Method
- Thinly slice the sweet onions. Heat olive oil in a large skillet over medium-low heat. Add onions, kosher salt, and black pepper. Stir occasionally for 45 minutes until soft and golden brown.
- In a medium bowl, combine mayonnaise, cooked bacon, Worcestershire sauce, and garlic powder. Stir until blended and creamy, then set aside.
- Divide ground chuck into eight equal portions and roll into balls. Preheat a griddle or skillet over medium-high heat for 5 minutes. Smash each ball into a patty with a spatula and season. Cook for 3-4 minutes until crispy.
- Flip the patties and immediately top each with American cheese and caramelized onions. Cook for another 1-2 minutes until cheese is melted.
- Spread baconnaise sauce on each side of the toasted brioche buns, layer with lettuce, cheese patty, onions, and top bun. Serve immediately.

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